Before the development of writing, which of the following techniques was used to preserve stories about the past

Rite three to five sentences describing your view of the supreme court's "separate but equal" principle in the plessy v. ferguson decision.

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.

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.