17. Which country switched sides from the Central to the Triple Entente in 1915? A. United States
B. Japan
C. Italy
D. Russia

d.

the northwest territory became the most densely populated area in the u.s.

barack obama

44th president of the united states

the answer is d because for c the actors can't love acting for the other's audience their not even in the same show, it can't be b either because the question is talking about the actors not the audience, and it can't be a because   it's not specific enough