The welfare system began during the great depression with which united states president? a. franklin delano roosevelt c. harry truman b. lyndon baines johnson d. bill clinton

A. Franklin D. Roosevelt

Explanation:

It responded to needs for relief, reform, and recovery from the Great Depression.

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

the allies' desire to seek retribution for germany's actions