Over Food, Enviorment etc...
A. Japan Devalued it's Currency. This lowered the value of its money compared to foreign currencies. Likewise, Japanese products were less expensive than imports.
After the Civil War, many newly freed slaves migrated to the west because of the the Homestead Act that was passed in the year 1862. his act promised free land to all the settlers. 160 acres of free land or at a minor cost was promised to all those that settled in the west and had no criminal cases lodged against them for acting against the government of the United States.
The answer should be A, cause and effect. The cause is pesticides and the effect is loss of bees