UMM, it would be easier to answer what countries they DID invade. But they didnt invade North America, Europe, Africa, South America at all. But China, French Indo-China, The Phillipines, and many other pacific islands were invaded.
because they can.
that's a tricky subject when you say 'weaker', i mean, compared to America's level- isn't every country they invade weaker?
Well, Caesar didn't invade 2 countries but he did invade Brittain twice: once in 55 BC and once in 54 BC
Normandy
Germany
Yes
Italy
They didn't invade North America.
America invaded Normandy because we wanted to.
The Allies never invaded North America. They did invade North Africa with Operation Torch in November 1942.
he really invaded Poland Hungary and other neighboring places but he did not invade the USA