In which of the following pairs was the second development dependent on the first development?
a. invention of internal combustion engine; english railroad boom
b. introduction of assembly line ; invention of automobile
c. development of bessemer process ; construction of first iron bridge
d. invention of dynamo sending of first telegraph msg

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

a love letter < 3

explanation: