This should be the answer you are looking for just make sure to reword it.
Answer:
Taught them to tame their horses, which were an important part in their culture.
Taught them to use numbers and how to count.
She taught them victory without the bloodshed.
I'm not sure of the exact word you are looking for, but the general idea is that the federal law will always reign supreme if there is ever a conflict between the federal and state laws. Federal law is superior or higher-ranking or more preferable, etc.
Here is the exact phrasing from Article VI of the US Constitution: "This Constitution, and the laws of the United States which shall be made in pursuance thereof; and all treaties made, or which shall be made, under the authority of the United States, shall be the supreme law of the land; and the judges in every state shall be bound thereby, anything in the Constitution or laws of any State to the contrary notwithstanding."
Answer: The most logical initial action is to " Check the result obtained with a leaner setting of the mixture". Option A is most correct.
Explanation: in a carburetor engines, roughness of the engine is always caused by the mixture of air and fuel differences in the cylinders. When this is noticed during elevation. The first thing a pilot need to do first is to check the mixture of air and gas applied to the leaning settings. Then enrich the mixture of air and fuel gently, this is done by reducing the density of air, until the engine start running smoothly.
If the mixture of air and fuel is over leaned the RPM will begin to drop, which will lead to roughness in the engine