What are two problems with the articles of confederation that the new united states federal government faced as it tried to govern the country? how did the new constitution fix these problems?

because mexico wanted to choose a centralized location

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.

"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."