The middle east has more than two-thirds of the world's

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.

Who did the first work in creating vaccines

Plz the 10 places that charles darwin stopped at to report his findings, and include dates?