Can someone plz help me with these questions

hello,

i'm not so sure but i hope this in anyway.

the president of russia is head of state, and of a multi-party system with executive power exercised by the government, headed by the prime minister, who is appointed by the president with the parliament's approval.

hope this : )

the enslaved people onboard suffered from illness with some frequency

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;

this question makes no sense dude