Why did McNeill think that the West should be the focus of a more global history?

The answer is below

Explanation:

This because at the time of McNeill's conclusion, which is at the beginning of the 1960s, the United States often referred to as West or Western were experiencing instantaneous development, including, economy, technologies, and governance.

Therefore, for most of the world, the need to be modern and American like is the need to be Western or setting West as a template.

Hence, based on this, McNeill concluded that the West should be the focus of more global history.

people can eat food during that time

the answers is b.   environments.