Answer: its d trust me bud
<span>The american federation of labor was instrumental in achieving the establishment of the Department of Labor. The Department of Labor was created in 1913 to help improve the work conditions for U.S workers, promote the welfare of U.S. wage earners and help employers find workers. It also protects worker's retirement and health care benefits, strengthens the free collective bargaining, and tracks changes in employment and wages.</span>
During the 1930s Japan posed a serious threat to British interests in China. In September 1931 the Japanese invaded the Chinese province of Manchuria and established Manchukuo as a puppet state. Full-scale war broke out after a Japanese attack on the Marco Polo Bridge near Beijing, which only ended in July 1937.
Out of the following descriptions, the best one to characterizes the North the years leading up to the Civil War is industrial, urban, and anti-slavery.
They where big trading cities that many people wanted to control and because of it geographic location it was used as a cultural hearth
