What is the best way to check the reliability and validity of a resource? a). determine the resources original medium of production b). analyze the author’s education and professional background c). establish how many years separate each resource’s publication d). investigate the main idea of each resource you discover

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.