Answer:
to pray in the direction of Mecca
It depends on how specific you want to be, but he was declared kaiser in 1871; more specifically, January 18th, 1871.
The tactic that Filipino insurgents use to undermine American power is: <span>C. guerilla warfare
Guerilla warfare is a warfare strategy where the troops are hiding within the terrains (usually they're familiar with the terrain) and obtain advantages toward the enemy using the element of surprise</span>
OPEC means Organization of Petroleum Exporting Countries, which is a group of oil producing countries that regulate the amount of oil each country is able to produce. An example of OPEC members are Saudi Arabia, Iran and Iraq.
Although this period has often been called the Era of Good Feelings due to its one-party dominance, in fact, Democratic-Republicans were deeply divided internally and a new political system was about to be created from the old Republican-Federalist competition that had been known as the First Party System.