A because lie in returned to Russia to make a deal
A
<span>The first dynasty that was the first group in China to use written records was the Shang Dynasty, also known as the Yin dynasty, which ruled from 1600 BC, until 1046 BC., when it was succeeded by the Zhou dynasty. During their reign, the earliest forms of written records originated, so they were the ones responsible for devising the first writing techniques in China, at least.</span>
Answer:
The invention of the cotton gin.
Explanation:
The South being favourable to the climate depended on agriculture. Before the invention of Cotton Gin, cotton production remains limited to slaves. With the coming of Cotton Gin by Eli Whitney in 1793, it reduced the time and labour by removing seeds from the fibres. It increased the need for slaves in the plantations for cultivating cotton and picking the cotton fibres in fields. Cotton cultivation became beneficial for the cultivators. Many of the states in America began to emerge as slave states as the cotton production turn out to be profitable.
Greatly contributed to economic and cultural development of the Americas.
