Which statement best summarizes the contributions of al-Khwārizmῑ? He wrote a book about his travels in Africa, Europe, and Asia.
He discovered new treatments for diseases like measles.
He created a book that described the geography of the world.
He developed the study of algebra based on ideas by earlier scholars.

What roles does climate change and natural resources play in global politics?

Who founded the social contract theory of the government

Plz which of the following statements is the best definition of a blockade? a. a blockade is a group of soldiers recruited from a foreign country who serve for the money. b. a block it is a military tactic in which one army moves into place to face another army. c. a blockade is a wooden fence built to defend a colonial settlement. d. blockage is the shutting off of a port by ships to keep people or supplies from moving in or out.