According to Socialists, what parts of the economy should the government control?

Most of it.

Explanation:

A socialist economy is a system of production where goods and services are produced directly for use, in contrast to a capitalist economic system, where goods and services are produced to generate profit (and therefore indirectly for use). "Production under socialism would be directly and solely for use.

honestly you should get that checked out because it really isn't normal

the first forms of writing came from them in the form of pictographs around 3100 bc.