Why must federal legislation that affects business be based on an expressed constitutional grant of authority?

Because the federal government has only those powers granted to it by the Constitution.

Explanation:

The constitution is the body of documents where the functions and limits of the tiers and arms of government are spelled for regulation. Hence, all legislation of the government must conform with the constitutional authority for passing.

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.

no the answer is c only objects touching the earth's surface can be acted upon by an outside force