I NEED HELP ASAP

Which of these events related to the protestant reformationoccurred first in 1521?

Brainliestt asap!me : ) describe the difference : capitalism vs. communism

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.