Answer: I would say option 2. Sharp teeth
Explanation:
Due to carnivores eating primarily meat, their teeth need to be sharp to cut, tear, and rip the skin/meat on their prey. (Hope this helped :D )
No it is false because the Articles of Confederation came before the Constitution, and were too weak which is why the Constitution replaced them and put more power in the hands of the central government.
It led to the development of a meat packing industry in Texas