Which of the following is an example of a barrier to entry?

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

Which choice best describes the general trend for the countries shown, for the period 2008 - 2010?

Explain comment: much of the thought upon which present-day democratic government rests began as a challenge to the theory of the divine right of kings