What was the one of the first military measure used by the us during ww1? how successful was it?

When the World War 1 took place, American President Woodrow Wilson said that America would stay neutral on the war and continued to send goods to the war countries. However a German submarine sank in the British ocean liner near Lusitania which made death casualty of nearly 1200 people in which 128 were Americans.

After this incident, President Wilson became fierce and threatened Germany to stop unannounced submarine warfare, he was reluctant for the US to go to a war with Germany. The one of the first measures the US took during WW1 was to sign the National defence act to expand the Army and the National guard, a legislation was also signed to strengthen the Navy.

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

b, the anti immigrant fervor