In the first half of the 19th century, why did the u. s. congress work to keep a balance between the number of slaveholding states and free states?

How long ago was the fall of rome (in years)

The development of humans was directly dependent ondevelopment of a language. development of communication between people. e development of tools. litdevelopment of the wheel.

Part a: which statement identifies the central idea of the text? a: the north was more powerful than the south and was always going to be the victor of the civil war. b: despite the obvious strength of the north, the outcome of the war was unpredictable at the time. c: the united states underestimated the strength of the south, giving it the upper hand. answer !