I believe its 1869
fun fact on the inventions timeline coca-cola was intruduced 8 May 1886 :P
Answer:
Caprock
Explanation:
Texas is divided into four regions. North central plains are a region of Texas which is largest region. There is a bed of rocks known as Caprock below the soil. Caprock prevents the flow of any water or oil from below and these does not reach the soil. These rocks are harder and more resistant type of rocks.
In 1949, the prospect of further Communist expansion prompted the United States and 11 other Western nations to form the North Atlantic Treaty Organization (NATO). The Soviet Union and its affiliated Communist nations in Eastern Europe founded a rival alliance, the Warsaw Pact, in 1955.
I hoped helped you and good Luke