I am not positive but I think it’s B
Answer:
The date the United States entered the war = On April 6, 1917
The date of Treaty of Versailles = 28 June 1919
Explanation:
USA started fighting for it allies ( Britain, France, and Russia ) on April 6, 1917.
Over 2 million USA soldiers fought on the battle fields. US citizens were not in favour of entering the war. The date of the Treaty of Versailles is 28 June 1919 and it is the most important of the peace treaties that brought World War I to an end.
I think the United States help Western European countries regain their economic strength in order to hold off the threat of communism by initiating the Marshall Plan.
Heritage day, as its name states, celebrates heritage (obviously). The reason that "closes gaps" from the past is because it celebrates culture that was suppressed in the past, and it promotes diversity and unity that was previously discouraged or prosecuted.