It was the first ecumenical council of Christian church.
With the end of the Civil War came a great transition into a mechanized and factory-based economy, which took workers away from the farms and put them into the factories. Many people saw this is corporate great, which was in some ways true--this led to the formation of many unions and workers organizations.
The revolutionary war was known as the "American war of independence",It all started with the confronting between British troops and local Militia in Massachusetts On April 19,1775. The British collonies Was led by George Washington and was helped by France and other powered collonies.This War was very important because it was time when collonist in America rebelled against the rule Of Britian. The colony fought many battles and It became known as the independent country, it got the freedom they fought for.This war lasted from 1775 to 1783. This war ended specifically because General Cornwallis surrendered and was forced to sourrender the british position at yorktown. Not to long when The general sourrendered the treaty of paris was signed and the United states became an independent/colonial power.
Im sorry if it isnt great you can make some corrections or change it Hope this helps
There is no record of any dynasty before the Shang.