<span>The New York Times "ethicist" contest call into the question the assumption that it is natural and right to eat meat by asking people to write persuasive arguments in favor of eating meat.</span>
Answer:
Mainly it was because of the deep religion impact on society and individuals. The church had become the most powerful institution during the middle ages, even surpassing the power of the kings and nobles.
Anything rational or scientific said against the established religious teachings were regarded as Blasphemy and those who did that were severely punished. Even killed sometimes.
Explanation:
Having started upstream on the Missouri River<span> from their </span>St. Louis<span>-area camp—where they had been preparing for the expedition since fall 1803—on May 14, William Clark and nearly four dozen other men met up with Meriwether Lewis on May 20. hth</span>
At the turn of the 20th Century, the United States was on the rise.
Spain was the last remaining European power in the Western Hemisphere and the US was eager to prove it was top dog.
So, it went to war to kick Spain out of the Western Hemisphere.
It was very much looking for an excuse to fight Spain.