Answer:
A the type of soil used in each pot.
Explanation:
The North American Free Trade Agreement had the most Impactful event in the history of United States during Clinton administrtation. This was the agreement between Mexico, Canada and the United States about the removal of barriers for excahnge of goods and services between these three countres.
While the Monroe Doctrine had sought to prevent European intervention, the Roosevelt Corollary was used to justify US intervention throughout the hemisphere. In 1934, President Franklin D. Roosevelt renounced interventionism and established his Good Neighbor policy for the Western Hemisphere.
The belief that the Earth was the center of the universe, but in reality, the Church always supported the belief that God is the center of the universe, and man was His primary creation on the earth. Thus any scientific discovery had to be consistent with Christianity, as God is One, and certainly logical.