What did knights receive in exchange for their pledge of loyalty to a lord

Hurry ! between 1900 and 2010, how did the world’s population change? a. it increased from about 1.5 billion to almost 7 billion. b. it decreased from about 7 billion to about 1 billion. c. it increased from about 5 billion to about 7 billion. d. it decreased from about 7 billion to about 1.5 billion.

Why was trump elected in the first place? ‍♂️

In piaget's stage, you would expect one to develop interest in ethics, politics, and social and moral issues.