What is the role and importance of a political parties in our political system? Why does the United States have a two party system instead of a multiparty system, like most other advanced democracies?

What has been the impact of third parties and why have there been so few effective third parties in our history?

Cherokee  removal, part of the trail of tears, refers to the  forced  relocation between 1836 and 1839 of thecherokee  nation from  their lands ingeorgia, south carolina, north carolina, tennessee, texas, and alabama to the indian territory (present day oklahoma)  in  the thenwestern united states, and the resultant deaths