The correct answer here is the second option.
When the US helped the Panamanian people win their independence from Columbia they got the rights to build and operate the Panama Canal in perpetuity. But Panamanian people had no say in this and thus over time they wanted it back. After the riots, which were also presumably instigated by the soviet agitators, the conflict arose between Panama and the US. So, because of the riots a new deal was made.
Answer:
That North America is a continent
Well it killed a lot of military peeps and it affected the population becuz so many peeps died and some people like the farmers and the business were sometimes forced to fight so it affected a lot of people and the economy.