Can you guys please answer 3 and 4 please? Please.

Describe the factors that led to the truman doctrine as well as how the doctrine affected the us foreign policy

What are the strengths of the byzantine empire?

Which statements describe thomas jefferson? select the three correct answers . a.first secretary of state b.second president of the united states. c.considered a liberal. d.father of the democratic-republican party remember choose 3 that are correct! thx