Answer:
i think c but i dont know sorry if im wrong
Explanation:
The primary events that led to the United States declaration of war against Germany were the Zimmerman Telegram and Germany's announced intention to resume unrestricted submarine warfare. American sentiment had leaned toward the Allies and against the Central powers for some time.
Because representation based on population, and the US Population has grown steadily throughout the years
( The more the population grows, the more representative we need, but we only got 100 senators , 2 for every state), this is why the representatives grown a lot faster than the senate
Answer: It was a disease spread through contact with animals (zoonosis), basically through fleas and other rat parasites (at that time, rats often coexisted with humans, thus allowing the disease to spread so quickly).
When congress wants to add, or amend, the constitution, the result is an addition to the laws of the land.
