How did early government support economic growth in river valley civilizations

The five tribe’s economy shifted in many ways, which of the following changes is not an example of how they assimilated? a. many tribes began to herd animals and build plantations. b. tribes began to use bartering to trade with others. c. at stores and trading posts, tribes used us currency to trade. d. women began to focus on weaving and spinning to make cloth.

Which of harriet martineau’s books is a foundational treatise on sociological data collection?

Name three new weapons that changed how ww! was fought and how?