1) A Heliocentric universe is centered around the Sun.
2) A Geocentric universe is centered around the Earth.
The United States and all other countries should intervene in international conflicts when there are uprising and threats to world peace. The questions “why, when and how” should be done to decide when an intervention is necessary.
The consequences of the last US intervention created resentment, the threat of terror resulted in costly interventions, causing the spent of billion of dollars internally and externally defending and protecting other nations.
There was an increase of wiretapping, surveillance of civilians, intrusive body searches at security points., this turned the US into a national security state.
Nuclear weapons technology was developed during the Cold War, which makes it possible to launch missiles across vast distances and wage wars that create exponentially more damage than before.
I'm not sure if this is what you're looking for but a president should have a strong vision for the country's future, an ability to put their own times in the perspective of history, effective communication skills, the courage to make unpopular decisions, crisis management skills, character and integrity.
B. state government policies can improve the citizens' environment