Periods mean eras centuries ages
cenzoic
1789 was the start of modern history. :) Personnaly I would go back a lot further, to the Renaisance. All history is a continuum, but certainly there are some eras where things did take off rapidly. 1789 ignores the start of serious science in the West, and the age of western exploration.
Divide American history into eras with distinct characteristics. (APEX)
Divide American history into eras with distinct characteristics. (APEX)
Periods mean eras centuries ages
Because the eras easily seperate what happened in history and is easier to understand
to look up the history of the world and analyze the data from different eras and cultures
There were several major eras of one party domination in American History. A couple of the eras was the Great Depression and the 1960s.
to look up the history of the world and analyze the data from different eras and cultures
epochs or eras
identify the major eras in u. s. history from 1877 to present
The boundaries of history of eras are marked by great worldwide changes in continental coastline
The geological time scale is the history of the earth. This is in the eras period and epochs.
there are three, but we live in one of them :)
There are so far 4 Eras in the earths history. the one that started the beginning if the earths history: Precambrian Time. The one after that was the Paleozoic Era, which means "ancient life." next was mesozoic which means "middle life" the one we are in is called the Cenozoic Era which means" recent life." * All Eras ended with a mass extinction.
Earth history is primarily divided into eras.