Have you been vaccinated against this disease?(yes/no)please will answer yes or no

The united states economy is one in which producers are generally free to produce what they want and consumers are free to purchase what they desire, so long as no laws are broken. at the same time, however, the government does regulate some aspects of the economy. the u.s. can best be described as which of the following a mixed economy b liberated economy c command economy d market economy

Brainliest to who answers! what is the function of a purchasing cooperative, or co-op?

When zhang qin went to explore west, he brought back stories of