This is true, American consumers can buy and sell what they like, when they like.
In 1619, the first Africans were brought to the colony of Jamestown, Virginia.
The answer is A. A unitary system
The Pacific Railway Act<span> was signed into law by President Abraham Lincoln on July 1,</span>1862<span>. This </span>act<span> provided Federal government support for the building of the first transcontinental </span>railroad<span>, which was completed on May 10, 1869.</span>
