Select the correct answer. Why is the standard of living in the United States generally higher than the standards of living in other parts of the world?

A. The US economy can meet the basic needs of most of its citizens.
B. The United States is strategically located between two major oceans.
C. The United States has a large population that is made up of people from many backgrounds, so its culture is diverse.
D. Ten large US cities have a population of more than one million, including New York, Los Angeles, Houston, and Chicago.

C

Explanation: because around the world their is many place and countries with different cultures and backgrounds

explanation:

there are two statements that are incorrect.

1. the marshall plan was a lend lease program. it was an economic plan that europe redevelop itself after wwii.

2. einstein didn't really do anything to further the allied cause in building the bomb. he merely sent a letter to fdr telling him (in 1939) that if the united states entered the war, perhaps it would be wise to build the bomb before germany did. i would say this answer is incorrect, but when america entered the war 2 years later, fdr thought it might be a good idea to take einstein's advice.

the 4th choice is definitely so wrong that is likely the single answer of this question

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation: