What might happen without the separation of powers?

According to article ii, what power is shared by the president and the senate? court judgement of constitutional issues approving or vetoing legislation raising funds for the executive branch declarations of war

Which is one reason many african nations have not prospered after gaining independence from european colonial powers? a. colonial powers sent their weakest economic advisors to the new countries, and their recommendations were flawed. b. independence left them with weak economies, and many countries have been unable to overcome or recover from these burdens. c. the desert region of the interior is inhospitable to foreign investors, and business interests focused on the coastal mediterranean cities. d. the money endowed upon independence is still tied up in the bank of england, which is hesitant to make loans to struggling nations.

Who led the continental army in the final decisive battle of the revolutionary war at yorktown