What encomienda land grants included the right to demand

Arelationship where each person relies on the other; a give and take relationship

In what two ways were the tang and song dynasties of china similar? they jointly built the grand canal. they were economically strong. they had weak military forces. they ruled for about 300 years. they discouraged buddhist ideas.

The idea that desirable traits can be bred into human beings and undesirable ones can be bred out is known as: