All of the following factors contributed to explosive economic growth during the gilded age except: a) availability of capital for investment. b) a growing supply of labor. c) abundant natural resources. d) low tariffs. e) federal land grants to railroads.

 The correct answer is :  d) low tariffs

Explanation:  The golden age of capitalism began at the end of the Second World War and ended in 1973 when the oil crisis arose. This time was important for two events that were presented, the great economic growth and the confrontation between the United States and the Soviet Union, the two great powers. Trade restrictions and increased tariffs were negative aspects during this period.

the answer to your question is ( syngman rhee) have a great day

so, based on the research i've done. the u.s. government were always on a wild goose chase just to take down castro. he then retired his trone to his brother raul in 2008 due to some health issues. so it's obvious your answer would be:

castro had no allies from which he could receive aid.

hope this and have a fantastic day!

                                                    -wolfiewolffromsketch