So according to you, for many decade the Republicans just can’t gain power of the government, Congress, courts etc,
Why not? Is this Trumps fault?
Your mission, should you choose to accept it, is to learn for how long each of the two parties controlled Congress, State and local governments, and courts, over the past 50 years. You ranted against the Republicans ... so you need to back that up with facts. I don't expect your report any time soon.
Is this Trumps fault?
Trump's fault covers the time period January 2017 to January 2021.