Effect and Causation are two terms that fit this criteria.
Answer:
The Aztecs were famous for their agriculture, cultivating all available land, introducing irrigation, draining swamps, and creating artificial islands in the lakes. They developed a form of hieroglyphic writing, a complex calendar system, and built famous pyramids and temples.
Scientific innovations created jobs for Americans by that product going nation-wide. What that means, is that when someone's scientific innovation went nation wide, or even global, they wold have to build factories, and places to make and sell that product. With those new buildings, comes new jobs, and he economy is improved. Take Thomas Edison for example. He commercialized the light bulb. When it became popular, he build huge power plants to build his product. He had to have people build his product inside the power plant. Those new jobs were filled by Americans.
The main purpose of taxation is B. TO PAY FOR GOVERNMENT PROGRAMS AND OPERATIONS.
Taxation is levied by the government. Tax is a required payment to local, state, or national government. It is the primary source of income by the government.
Taxes are used to fund public goods and services. It is imposed to influence behavior, to stabilize the economy, and to redistribute income.
He argued and depend this on class struggle where the dialectics and development in society is based on the economic struggle between the classes. This made the change in history passing through different economic stages.