Why is the united states ranked no.1 in the list of most influential countries?

The U.S is ranked no.1 in the list of most influential countries because or the following reasons: ..

Explanation:

"The United States of America is definitely at the top of the ranking of the most influential countries in the world, leading in the world in the fields of science, sports, technology, etc. Country with economy and the  most powerful  military in the world, followed by a huge economy," the CEO noted.

the first phase of the government’s plan for settlement was building the transcontinental railroad. the railroad provided a way to bring settlers and manufactured goods west and ship their agricultural and mining produce east. the transcontinental railroad was an essential artery for rapid development of the frontier.

the second phase of the government’s plan was a liberal land distribution policy that made it possible for many people to homestead. with these two key elements—transportation and cheap land—the government rapidly achieved its goal of persuading people to move west, settle on farms, and push back the frontier.

b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.