<span>The invention of tools and mastery of fire led to the development of "advanced civilizations," since this allowed for early humans to gain far more food sources and intake more calories. </span>
Assuming that this is referring to the same list of options that was posted before with this question, the best response would be "combative" since there were many battles.
Answer:
The Confederation Period was the era of United States history in the 1780s after the American Revolution and prior to the ratification of the United States Constitution. In 1781, the United States ratified the Articles of Confederation and prevailed in the Battle of Yorktown, the last major land battle between British and American forces in the American Revolutionary War. American independence was confirmed with the 1783 signing of the Treaty of Paris. The fledgling United States faced several challenges, many of which stemmed from the lack of a strong national government and unified political culture. The period ended in 1789 following the ratification of the United States Constitution, which established a new, more powerful, national government.
Answer:
The Founding Fathers knew that as our country grew it would change, so instead of creating steadfast rules, they created a framework to follow which we call the United States Constitution.