Immigrants supported political machines because they provided jobs and services
Before the bombing of Pearl Harbor by the Japanese, most Americans were hesitant to engage in another European war (the first one being WWI). American sentiment began to change, however, after the Germans began sinking American ships.
Oil, gasoline, and light bulb are the only sources of energy because a light bulb powers light, oil can power a lamp, etc, and gasoline can fuel a car.
C. constantine is the correct answer
At the year 630 when 30K muslims marched to mecca.
