What is a challenge for countries that participate in the united nations

Describe the factors that led to the truman doctrine as well as how the doctrine affected the us foreign policy

Did the spanish settlers and missions have a positive effect on world history? why, what did they do that was positive? why was the treaty of paris (1763) good for the world/world history? did the plymouth colony have a positive effect on world history? why, what did they do that was positive?

Why must governments be able to compromise?