The time period after the war of 1812 which saw only one political party was called the Era of Good Feelings.
Answer: so-called "Scramble for Africa" or "Conquest of Africa" or "Partition of Africa" was an extension of imperialist rivalry between European super-powers of that time who viewed European and world politics increasingly from the Darwinian perspective.
Explanation: Intellectual look at the map in the 19th century was very Darwinian (or vulgarly Darwinian) and divided peoples of the world into "superior" people and "inferior" people. Jews were European blacks - the most inferior Europeans, then there were blacks, American indians, Asians. This vision of the world and history prompted European imperialism ...1881 is the year when starts so-called "New Imperialism" which lasted till the WW I (beginning 1914).
Inflation?
No idea what “purchasing power” means, but using context i think it means the value? When inflation happens it means things get more expensive, so a $1 would seem a lot less valuable.
Always multiple the first number to the 2 other numbers than have a negative of the third number all the way to the right
