Why was it easier to capture Paris than to invade London?

Ineed a summary over the 6th amendment

The system of checks and balances ensures that

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.