Which of the following was the cause of the cuban missile crisis?
china was sending troops to cuba.
germany was starting the third reich again in cuba.
u2 spy planes saw missiles being built in cuba,
violence that irrupted it in panama canal.

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 : )

i think it is the first one hope this