Answer:
The correct answer is letter "D": supply and demand determine prices and prices, in turn, allocate the economy's scarce resources.
Explanation:
In a Market Economy, economic decisions and prices are determined by market forces rather than by central planning. Market forces refer to the collective effects of all the decisions made by individuals participants in the economy such as consumers and businesses according to their free will.
In other words, supply and demand are the regulators of a Market Economy determining prices also allocating scarce resources.
Option C
Membership in the Knights of Labor was: open to all working people, including employers.
<u>Explanation:</u>
The Knights of Labor was a particularly growing team and the primary leading national labor party in the United States. Most of the utmost earlier associations restrained membership to proficient workers those with specific practice in a craft and white fellows. It dawned as a covert group proposed to defend its members from employer retaliations.
Emigrants, African Americans, and gentlewomen were also esteemed as members. the Knights of Labor gained patron amidst coal excavators in Pennsylvania, and with railroad operators By 1886, the Knights pretended more than 700,000 members everywhere.
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