during the general election which happens last party conversation or popular vote national debate or party primary

Newspaper started by john campbell:

The platt amendment of 1901 forbade cuba from entering into any treaties that would allow undue foreign involvement in cuban affairs. this law was passed after the spanish-american war to make sure that european nations weren’t going to get involved with cuba. 1, why might the platt amendment be considered ironic? 2, what reasons would the united states have for not wanting european influence in cuba?

What would you call a political system that is only meant to last for a short time