Two Party system.
two party system i think
The US has a two-party system with only two main national parties. However, there is no legal reason why the number can not change.
A no party system
Two Party
Multi-party system.
A two party system did develop in the US. The US did adopt the constitution. So the answer is yes.
One- Party
Multti party Systems in india
This term refers to a political system in which there are more than two strong parties, unlike the US which has a two-party system.
A one party system is a type of political system that is dominated by a single party. Often this is the case when a country holds elections, but the outcome is predictable and a leader from a single party runs for office unopposed.
It was the only party
democrats and republicans
The Constitution is not a reason the two-party system developed in the United States.