Answer:
The Reconstruction era was the period after the American Civil War from 1865 to 1877, during which the United States grappled with the challenges of reintegrating into the Union the states that had seceded and determining the legal status of African Americans.
Explanation:
Answer:
Archaeologists use written sources to help them find sites where they will find arti- facts. Similarly, historians examine material culture to help them understand what they read. Anthropologists study the characteristics of past and present human communities through a variety of techniques. In doing so, they investigate and describe how different peoples of our world lived throughout history. To establish a relative time frame, geologists have arranged the rocks in a continuous sequence of chronostratigraphic units on a planetary scale, divided into eonothems, erathemes, systems, series and floors, based on stratigraphy, that is, on the study and interpretation of the strata, supported by major biological and geological events.
