About how long did it take for Christianity to spread though the empire?

Cost and benefit in economic example

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.

Of the following choices, which ones are characteristics of west african society? select all that apply. a. arabic was the main language used when trading with other societies. b. christianity was the only religion practiced in villages. c. slaves had no rights and were only given specific farming tasks. d. skilled workers were a higher level in the caste system than traders. e. religious rituals encouraged the honoring of ancestors.