B, Centralized Government
The Democratic-Republican party.
There is a claim by some Liberals that the ACA Law does not go far enough in securing the Americans, and reducing health care costs. The law, they say, has brought a lot of good things, but if we take into account the fact that 5300 members of Congress have registered 3300 lobbyists for health care, and more spent on preparing the law itself, than for some campaigns for presidential elections. Therefore, not a small part of this law appears to have been written by foreign private insurance industry or pharmaceutical industry.
For example, many health insurers, patients were bankrupt due to the high cost of health care, under the auspices of the ACA.
the answer is: d.was primarily concerned with westward expansion and internal problems.
At that time, the plan for westward expansion created internal debate among different groups in united states since it require large amount of investments and could bankrupt the whole country if it failed.
Because of this huge risks, united states' attention was taken mostly by this issue, to the point where we could not seriously be involved in overseas expansion.