US Political - How Do They Work?

In 2020, they will face a choice between incumbent President Donald Trump of the Republican party and his Democratic challenger, the former vice-president Joe Biden.

But in addition to that vote, many states are also holding elections for positions in the United States Senate, House of Representatives and state-wide political roles.
In the United Kingdom, Scotland, Wales and Northern Ireland and some local authorities in England (such as Greater Manchester) have been given devolved powers - meaning they have responsibility for some key decision making in their area, while central government in Westminster takes control of other matters.

It’s similar across the United States – although in the US, every state has its own powers and control over spending. State government is responsible for things like holding elections and providing for public safety, health and welfare.