During world war ii how were resources preserved for the war effort

The princes of europe believed that they were no longer obligated to remain under the authority of the church. the idea of another christian church, one outside of the pope's authority, had financial appeal as well. many european leaders began to seize church property and place it under the authority of the state. based on the text, why did another christian church appeal to european princes? it would allow them to make religious decisions. it would give them authority over people. it would allow them to expand their lands. it would allow them to influence the pope.

How was slavery in mesoamerica, africa, and the arab world similar? many enslaved people were forced to pledge loyalty to their owners. many enslaved people worked in exchange for protection from foreigners. many enslaved people were captured during war. many enslaved people taught and tutored children.

What from the columbian exchange had perhaps the biggest impact on the world?