Why did Jefferson decide that the president had the power to buy land

How can congress clarify parts of the constitution that are unclear?

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

How long was it from the time african american men were given the right to vote until women were given the right to vote?