Describe what was remarkable about the Mayan system of mathematics

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.

Describe two observations that galileo was the first to make with his telescope.

Which of the following was the largest group of people living in the region of transylvania? a. german b.slavic groups c.romanians d.italians