They brought settlers who formed colonies. They established the boarderlands that started the formation of America.
The correct answer is A. Customs Duty.
Explanation
Customs duties ais the name of the taxes, levies, or payments that are set directly or indirectly for the importation of merchandise into the national territory. Additionally, stamp duty or levies required regarding the documents required for importation. Therefore, the correct answer is A. Customs Duty.
No not really it was sad though :\
Answer:
Nineteenth-century Russian society was rigidly hierarchical, with an established class system that provided the outlines for the social and economic order.
The land had a lot of gold which was taken by the Spaniards when they took control of the island, and since there was a lot of gold and since it is an island the trade flourished there, hence the name Puerto Rico, which is Spanish for Rich Port