Answer:
The events in the timeline are best grouped as the "Founding Era" or the "Early Republic Era.
Step-by-step explanation:
This period encompasses the late 18th century, specifically from the American Revolution (1775-1783) to the establishment of the United States government under the U.S. Constitution (1787) and the subsequent early years of the new nation. During this time, important documents such as the Declaration of Independence (1776), the Articles of Confederation (1781), and the U.S. Constitution (1787) were drafted and implemented, shaping the foundation of the United States and its government.