The New York Times

LUSITANIA SUNK BY A SUBMARINE, PROBABLY 1,260 DEAD;
TWICE TORPEDOED OFF IRISH COAST: SINKS IN 15 MINUTES:
CAPT. TURNER SAVED. FROHMAN AND VANDERBILT MISSING;
WASHINGTON BELIEVES THAT A GRAVE CRISIS IS AT HAND

4. According to the newspaper headline, which event most influeneed the United States President
Wilson's decision to enter World War ?

A. A revolution in Russia

B. The assassination of Archduke Franz Ferdinand

C. The renewal of unrestricted submarine warfare by Germany.

D. The raids by Mexican guerilla forces on the Southwestern United States.

it would be the renewal of unrestricted submarine warfare from Germany. Otherwise C

Explanation: The Germans continue to become more and more ferocious with their U-boat attacks, their hopes were to cripple the United Kingdom by silently attacking supply ships. Once the Lusitania was sunk the world became aware of the tragedies of unrestricted, moral ignored warfare

i don't see how you want other people to do your work for you and it is like you are just handing your assignment to anybody else and having them deal with it instead of your self i thought this site was for asking questions and somebody could you on it not just handing your work to somebody else to deal with it just saying don't mean to be mean just proving a fact.

explanation:

answer; the period of time known as the middle ages;