Who was the only president that was never married

Why were the numbering trials held from 1945 to 1946 ?

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.

Who believed that the best economic system was on in which businesses compete to gain profit with minimal or no government control