Question

when did america join the first world war and why ?​

Answer 1

Answer:

U.S. Entry into World War I, 1917. ... Wilson cited Germany's violation of its pledge to suspend unrestricted submarine warfare in the North Atlantic and the Mediterranean, as well as its attempts to entice Mexico into an alliance against the United States, as his reasons for declaring war.

Answer 2

$\huge\bold\pink{★Answer:}$

$\huge\red{»}$When World War in Europe in 1914, the 28th U.S. president pledged in syn with American public opinion.

But while Wilson tried to avoid war for the next three years, favoring instead a negoted collective approach to international stability, he was rapidly running out of options. Tensions heightned as Germany tried to Britan in 1915 and announced unrestrcted attacks against all ships that entered the war zone around the British .

In early April 1917, with the toll in U.S. merchant ships and civilian rising, Wilson asked Congress for “a war to end all wars” that would “make the world safe for democracy.” A hundred years ago, on April 6, 1917, Congress thus voted to declare war on Germany, joining the battle—then optimistically called the “Great War.”