What principal is the basis for forming a governenment with judicial, legislative, and executive branches?

Explain in detail the events that led to the fall of the soviet union. explain the importance of the foreign policy shift from brinkmanship to détente during the cold war.be sure to include evidence to support your answer describe the challenges to nation-building that exist in africa today .

What was different about warfare in the early 1800s and early 1900s?

How important is it to have a powerful army and navy? give two reasons for your answer