In 1990, east and west germany reunified. what event had the greatest impact on the reunification of germany?

What event was one of the greatest factors that led to massive emigration from ireland to the united states in the mid—1800s

What occured in preparations of war

This cartoon appeared in 1916. the topic of the cartoon isa)the reason for the start of world war i.b)the success of us submarines in world war i.c)the military alliance between germany and mexico.d)the attitude in the us towards submarine warfare in world