Why did European countries spend so much resources and time to explore?

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

The clergy comprised the wealthy first estate, with members of noble descent in particular having a great deal of power. what was the score of the clergy’s wealth

Humans during the paleolithic era used fire for each of the following purposes except a. for cooking meat b. for use as a weapon c. for heat and warmth d. for treating animal hides select the best answer from the choices provided