What were the ""immediate reasons"" Diamond & Marshall provide to explain why Europe was able to conquer most of the world?

I think so this is the answer

Explanation:

These six advantages were the immediate reasons Europeans were able to conquer most of the world. But what were the underlying reasons they had these.

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.