Answer:
In 1587, a group of 115 settlers from England arrived at Roanoke Island, which is off the coast of North Carolina. The governor of the colony, John White, decided to return to England that year to replenish supplies. However, a major war broke out in Europe, and White's return to Roanoke was delayed by three whole years.
Explanation:
The Open Door Notes - sent by U.S. Secretary of State John Hay in 1899 to open up Chinese ports to American merchants. European powers had "spheres of influence" in different port cities throughout China, and the United States wanted access to China's markets.
The correct answer is Keynes.
Keynes supported free markets but as long as these were regulated by state intervention in order to soften the peaks and troughs in the business cycle. Therefore, in his opinion, the three economic questions (what to produce, how and for whom) should be answered by the economic agents in the markets, but always under the supervision of the state.
Smith was an advocate of free markets and of supressing state interventionism. On the other hand, Marx was in favour of massive intervention of the state because he considered markets to produce un unfair distribution of wealth in the states, where the richer ones exploited the poor.
Christopher Columbus is the answer most likely to be correct but, there is an argument for Leaf Erikson