One of the challenges John Roebling faced during the designing of the Brooklyn Bridge was O making it attractive for New Yorkers to look at.
making it tall enough for all ships to pass under it.
making it blend in with the growing New York skyline.
O making sure that it was constructed of iron.

Labor groups in the united states suppored the homestead act of 1862 because this act

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 did factory managers expect women to do when men returned home from the war?