Answer:
1. The General Maritime Treaty of 1820 was a treaty initially signed between the rulers of Abu Dhabi, Sharjah, Ajman.
2. The treaty,or perhaps more accurately the memory of the punitive actions that had preceded its signing.
3. Although there were occasional incidents,the level of maritime conflict --particularly against foreign vessels --dropped dramatically.
The expansion of the railroads in the late 1800s was instrumental in helping the US economy boom. It did this in two ways.
First, the railroads created a tremendous amount of demand for goods and labor on their own. As the railroads were being built, they needed huge numbers of people to build them.
The answer would logically be A.
An oil spill covering an entire ocean has nothing to do with politics.
Nor does C.
B doesn't really contribute much to the question at hand. Sure, he's a politician, but who cares about the large glasses or big ears?
The answer is 1929 the year the fruit flies got into the citrus fruit