What single event set in motion the start of World War I?

What initiatives were taken by americans to benefit the war effort? 1. americans planted home gardens to ration food for the troops. 2.american charities were established to provide aid to factory workers. 3.american companies joined together to make products more cheaply. 4.americans created clubs for promoting weapons to be used in the war.

How were castas paintings used to stabilize a society?

What did president johnson risk violating the tenure of office act to the fire of his secretary of war