What was the importance of Axum and Kush?

The articles of confederation did not allow the government the power to tax or to force the states to do anything. what challenges could this cause

All of the following were weaknesses of the articles of confederation, except: a) the central government was not permitted to regulate state, interstate, or foreign trade. b) the central government was not permitted to borrow money. c) the central government had little ability to regulate money. d) the central government had no ability to tax.

One of galileo’s contributions to science was a creating the coordinate plane system. b developing the scientific method. c improving the telescope. d inventing the astrolabe.