I am confused look at the screenshots

99 points explain the causes and effects of the japanese bombing of pearl harbor in 1941. make sure to explain 3 causes and 3 effect in detail.

During 1915-1917, u-boats attacked not only enemy ships but also

What was the purpose of this act? to discontinue the trade of merchandise within the city of boston to close boston harbor to close ports throughout massachusetts bay to decrease trade with the north american colonies