Please help me! How did causeways affect trade in the Aztec Empire?

by allowing goods to be moved easily over land
by enabling merchants to carry rare goods
by enabling merchants to move goods by canoe
by allowing people to move goods quickly over water

What impact did improvements in farming technology near the end of the nineteenth century have on the american economy? a. more energy was needed to power equipment, creating the renewable energy industry. b. less labor was necessary on farms, leading workers to pursue other jobs. c. less money was invested in farming as many locally owned farms went bankrupt. d. more demand for agricultural products reduced the price of food and animal products.

When children heard an interesting story about a sympathetic and resourceful african-american child, the aim was to provide them with?

What were the death camps? who was sent there?