What are the last 3 answer (fill in the blank)

In the years after world war ii, which of the following caused many people from asian and african countries to migrate to europe? a. the end of the soviet union b. new economic opportunities after colonialism ended c. the religious freedom found in europe d. new laws allowing greater numbers of immigrants into european countries

Toward the end of the roman empire, what caused a decrease in the use of coined money tell me now

For an actor, keeping his mind on will ultimately his performance.