Tariff it is used to restrict trade and promote use of products within the country.
I believe it was 50 soldiers.
They should live following the eightfold path. Otherwise known as the middle way.
Many primary civilizations started in river valleys because for the cities in each civilization an important portion of the population existed in cities. Large-scale farming was a requirement to feed the large populations. Fertile due to flooding the land by rivers was home to lush plant life and an outstanding place to plant and grow crops. The close source of water permitted for irrigation for the large-scale farming as well as drinking and bathing. Water also intended animals and animals meant food so this was another advantage to settling in river valleys. Settling and living in river valleys later main to further development of civilizations and new patterns of living such as trade and communication by means of the river for transportation.
The Freedman's Bureau was created to help former black slaves and poor whites in the South after the Civil War. Giving them education and medical help was very important in helping them recover from the revolution and helped the freedmen to be able to live on their own.