Different map projections are necessary because they were created to address different situations. Cartographers are the professionals that elaborate map projections. They do it in order to have a visualization of the Earth Surface.
We can’t have just one map projection because there is non-single map that creates a perfect image of the Surface of the Earth. That is why cartographers need various maps to overcome the problem of distortion. It could be areas distortion or distances distortions. Different maps help to meet distinct needs.
Answer:
The principle of checks and balances is that each branch has power to limit or check the other two, which creates a balance between the three separate branches of the state. This principle induces one branch to prevent either of the other branches from becoming supreme, thereby securing political liberty.
Explanation:
One reason the league of nations failed was because "<span>A. It did not establish rules or structure to maintain harmony" since it was more of a general idea structure. </span>
I am not going to answer in a paragraph of 125 words, but I will give you the answer to the first question; The United States didn't want another country to fall to communism. They officially got involved after the attack of the Gulf of Tonkin (U.S destroyers were stationed there and a radio came in that said they had been fired upon by North Vietnamese forces). (45 words BTW).