Answer:
The main reasons the US got involved in the war was because of nationalism, imperialism, militarism, and forming allies. Many countries were scared of Germany's nationalism. Imperialism helped Germany with its markets making it stronger.
The answer is letter A. "<span>An air battle above the English Channel to prepare for an invasion of Britain"</span> It was an aerial battle as the Germans sent their air force to drop bombs on Britain. Many civilians lost their lives and various buildings were destroyed but thanks to the leadership of British Prime Minister Winston Churchill, the British people withstood the bombardment and the Royal Air Force fought back with U.S. support preventing Germany from conquering Britain.
i believe the answer is d im not really sure
they worshipped secetly or in white churches.