Answer: The answer is A
Explanation: The species are transported by man from his native region to the receiving locality. Most species die during this phase but still, there are many that overcome it. Transportation can be intentional, caused by a man for a specific purpose, such as food production, wood, soil improvement, gardening or hunting and fishing activities; or accidental, involuntarily and associated with communication routes, shipments of agricultural products, stowaways in freight transport, the discharge of ballast water in ports or the depletion of geographical barriers by engineering works.
The Kansas-Nebraska act allowed the people to vote if wanted to allow slavery in those states and this act served to appeal the Missouri Compromise. The Missouri Compromise prohibited slavery in the north. This act was also said to be a failure because it was made to end the conflict over slavery, but resulted in Kansas becoming a "battleground over slavery."
France wanted colonies in Asia but they couldn't get China and India was under British control. So they decided to focus on Indochina, mainly Vietnam, since it was a country that could be very profitable.