Why did the United States refuse oil imports from Russia in 2014

Plz which of the following statements is the best definition of a blockade? a. a blockade is a group of soldiers recruited from a foreign country who serve for the money. b. a block it is a military tactic in which one army moves into place to face another army. c. a blockade is a wooden fence built to defend a colonial settlement. d. blockage is the shutting off of a port by ships to keep people or supplies from moving in or out.

Which of the following had the most significant impact in supporting portugal's e fforts to control the indian ocean spice trade

Why did true colony of roanoke fail?