Originally Posted by
Blondie
1. USA
2. China (these both are global superpower)
3. Germany (very large political and economical power as the leader of EU)
4. Japan (advanced economy and scientific world like robot and nano technology)
5. Russia (very strong military and large nuclear arsenal)
6. France (large political power because of EU, also nuclear power)
7. UK (significalt global economic and political power because of Commonwealth)
8. South Korea (its like Japan but not so powerful)
9. Brazil (stronger than India)
10. India (it's not a great power but a very divided country with poor economy)
Germany vs the UK/Britain :
So I’ll assume that:
Nothing is prohibited.
Nobody is allowed allies.
There are no other conflicts either countries are involved in: they can both entirely focus on one another.
There are no geopolitical or domestic political repercussions for military actions, and both country’s populations are very bloodthirsty.
Germany and the United Kingdom simultaneously declare war on one another and are mutually pursuing a “debellatio” philosophy.
I am British, but I will try to avoid all bias. I’m not going to analyse both sides military because the question doesn’t ask for that: I will tell you my expectation under the rules I laid out above.
To win, one side must occupy the other side’s capital city.
Firstly, the British would use their nuclear strike capability. I will assume that one Vanguard submarine is active at the time of the war declaration. That submarine can now launch 64 Trident D5 455-kiloton nuclear warheads at Germany.
I will assume that the Patriot missile defences in Germany intercepts half of these incoming nuclear missiles and 32 of them hit their targets. I will assume these are military targets as well as major industrial bases integral to the German war effort. I would make an educated guess that this would result in 3–4,000,000 civilian deaths and 4–5,000,000 civilians would be seriously injured, dying in a few days without medical help. The German government and all emergency services are now completely destroyed. The German professional army, air force and navy are all pulverised. Two or three submarines and one or two surface ships could hope to survive. If these ships don’t surrender to the Royal Navy they can either stay in port or venture out and make an attempt to run the Royal Navy blockade, although I don’t know how successful this would turn out. The air force is probably non-existant. What is left of it and able to get off the ground would have extremely limited arms and no access to reserves. I will assume 10% survived, can be manned, crewed and still have access to some armament. The German Army would probably not exist. What was left of it would be trying to help the survivors of the nuclear attack.
In the meantime, the United Kingdom can close its navy in, particularly its two aircraft carriers to fly F35s in sorties and destroy whatever remained of the German military. This can go on for a couple of days to a week or so, but the British need to exploit the breakdown of the German state. As soon as the nuclear strike had crippled the German military, the Royal Navy armada would begin to assemble in the southwestern Baltic, east of Jutland. This would constitute 2 aircraft carriers, 6 destroyers, 12 frigates, 6 amphibious assault ships, and numerous other ships.
The UK’s merchant fleet can be harnessed to assist the Royal Navy, as they begin landing troops in Northern Germany around Lübeck. Before conscription, around 80,000 troops could be landed in a dozen or so waves. With F35s and Typhoons supplying close air support the British Army could, with a relative lack of resistance, march towards Berlin.
Until the British landing at Lübeck, the British would have experienced casualties of one or two if an F35 had been shot down running a sortie over Germany. The very worst possibility would be the loss of a frigate, although I very much so doubt that would be possible considering the air defences of the Type 45 and the lack of a German military.
Another problem for the British is the 2 Type 212 submarines roaming the North Sea and Baltic Sea. I expect that the German surface combatants that had run the blockade would have been sunk by British submarines or ships in the Baltic or the natural chokepoint around Jutland. But that chokepoint goes both ways: I believe there would be a relatively equal chance that the ASW components of the Royal Navy could locate the remaining submarines and destroy them or that the Type 212s could bring a victim down with them: perhaps a merchant ship, and a frigate. But its much more likely that the two fleets wouldn’t come close enough to sink one another, or that the subs would be located and captured.
The British Army, marching through an unprecedented hellscape, would face limited guerilla actions. Ambushes from militias and whatever remained of the German Armed Forces could likely kill anywhere from a few dozen to a few hundred British soldiers on the way to Berlin, however, the British troops would still make it to Berlin.
It would take around 4 to 5 hours for British tanks to reach Berlin. Assuming the UK exploits the few days where Germany is most in disarray, they can expect to win the engagement with the rules introduced within a day. Likely, the UK would face up to 50 casualties during the entire war. A further dozen or so could die if a warship was sunk by a submarine during the assembling of the armada. In comparison, Germany would face up to 9,000,000 dead.
Tl;dr: the United Kingdom wins.
https://www.quora.com/Who-would-win-...-K-and-Germany
Now if allies were allowed then the USA would probably back the UK over Germany most likely so on and so forth etc..
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