Where was trade flourishing before it took hold of the South China Sea?

Earliest attested trading contacts existed between Southeast Asia and the Chinese Shang dynasty (around 1600 BCE to around 1046 BCE), when cowry shells served as currency.

Explanation:

what are the options?

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years