Help me please 10 points

Why was russia drawn into a conflict with germany after ausria-hungary declared war on serbia ?

What happened during the victorian age? a. all social classes lived near each other b. the middle class became much larger c. city populations began to decrease d. families continued to go to work together

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.