What impact did henry morrison flagler's efforts in extending railroad service along the length of florida have on the area in
the late 1800s?

With these services, people had an easy access to transportation and communication with other areas.

Explanation:

Henry Morrison Flagler made great efforts to extend the rail road services during the time period of 1800s. With the efforts made in this area, there was an easy access to transportation for the people and helped them to move from one place to another. This also came as an advantage for the businesses to move goods to the market. It also helped to increase the tourism in that time.

because mexico wanted to choose a centralized location

this statement is   true