12 points!!

At what major American port did the fall wave of the influenza pandemic strike first?

Boston

Explanation:

From Boston, the fall wave spread across the United States in six weeks. In Philadelphia, 10,959 people died of influenza in October.

First Wave – Spring 1918

The first outbreak of flu-like illnesses was detected in the U.S. in March, with more than 100 cases reported at Camp Funston in Fort Riley, Kansas. During 1918, the U.S. was engaged in WWI. Hundreds and thousands of U.S. soldiers traveled across the Atlantic to deploy for war.

a.

congress passed laws allowing for free passage between states.