Why did the greeks struggle to unit under one political unit?

Describe at least one way in which the executive branch is able to influence the actions of the legislative branch and at least one way in which it is able to influence the actions of the judicial branch

The solvent union and u.s believed in two different economic systems which was?

Which one of the following is true of jamestown? sir francis drake founded the settlement in 1619. o john smith was responsible for introducing tobacco. o black slaves were brought to jamestown in 1619.