How long does it take to build a steam engine?

How did industrialization change life in the united states?

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 kind of relationship did the soviet union have with the united states in 1945