Why did America become so much more powerful and rich than other countries?

 America was richest country in world 

The status of the United States as the richest country depends on the metrics used to measure  wealth. It's all maintains the world's largest economy by total output

1.Total Economic Size of GDP

The United States remains the richest country in the world  by total GDP

.2025 GDP : Approximately $30.6 trillion 

.Global share: The U.S.A accounts for roughly 26 percent  of the global economy 

          

Every one has a individual Wealth 

Richness  as the average economic output per person, the United States  is generally  not the richest country but it all depends on resources in the country

.Global Ranking:  USA typically ranks in the top 10 for GDP per capita but sits behind countries like Luxembourg, singapore, ireland

2025 us GDP per capita $89,600

Good resources available in the country  but if this country will decide anything want then rule single decision