What was the name of the magnifecent cathedral built by justinian in the 530s?

How would high tariffs hurt america? a. fewer immigrants would be able to move to america b. sales of american products to other countries would go down c. americans would sell more goods to other countries d. goods imported from other countries would cost less

What industry was exempt from the child-labor laws passed in the factory act of 1833?

What were two theories put forth by marx?