During world war i, why were the germans unable to finish the war on the western front?

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.

The answer because i don’t know it someone

Which of the following associations is incorrect? a. franklin d. roosevelt-social security b. theodore roosevelt- conservation of natural resources c. franklin d. roosevelt- the panama canal d. theodore roosevelt-the russo-japanese war