The caravel was a type of ship, so C would be the answer
The First Continental Congress took place between September 5th<span>, </span>1774<span> and October 26</span>th<span>, </span>1774<span> in Philadelphia, Pennsylvania at Carpenter's Hall. It was a meeting between 12 of the 13 colonies' delegates, at an early stage of the American Revolution.</span>
The 1839 Treaty of London was a treaty between Great
Britain, Austria, France, Prussia, and Russia, on the one part, and The
Netherlands, on the other. It derives its significance from Article 7 that
leads Britain to protect the neutrality of Belgium in the event of the latter's
invasion.