PLES HELP 30 PIONTS TO HELP ME First developed during World War I Originally meant to support soldiers at the front and to break through enemy lines Has thick armor and large treads that make it able to handle rough terrain Which technology used in World War II is described above? A. battleship B. submarine C. bomber D. tank​

Explanation:

its D there are treads on the tank

iTS D

Explanation:

d) post-world war i

i do not have access to the graph, but from 2001 to 2011 the rate of unemployment in the united states changed drastically. it remained relatively steady, at 5 percent, on average (4.4 percent in 2006 due to the economic expansion and 6 percent in 2002 as a result of the elevated costs of the war of terror) until 2008. it was then when the financial crisis, the worst since the great depression of 1929, occurred. during the recession that followed, the unemployment rate reached almost 10 percent in 2009, and in 2010 it was above 9 percent. by 2011 job losses had been continuous and prolonged for months, but the rate decreased timidly.