What was the constatutional amendment that outlawed slavery and indentured survitude?

According to thorstein veblen, a successful businessman would be most likely to demonstrate his worth to others by:

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

Calculate the iq of a 20 year old who has the mental age of 25