It should be 1, WWI hope this helped.
B or c but imma go with state
Answer:
please give me brainlist and follow
Explanation:
Germany declared war on the United States in December 1941, and Washington made the defeat of Nazi Germany its highest priority. The United States played a major role in the occupation and reconstruction of Germany after 1945. ... Today, the US is one of Germany's closest allies and partners outside of the European Union.
it's number d.
because Americans immunity system wasn't strong as for that of the Europeans
I hope it helps ;D
