Not possibleIf some goes to his/her past and change something in his/her life will he or she still in his or her past or started new present there ....
According to the scientific theory of the 'Multiverse', you will probably arrive in a New Present. Your old life will remain in your memories, but the world around you will be completely new and the result of the changes you have made.If some goes to his/her past and change something in his/her life will he or she still in his or her past or started new present there ....
Depends on the laws of physics our universe follows. It might effect out current time OR it might just create an alternate reality where the new decision you made is the truth.If some goes to his/her past and change something in his/her life will he or she still in his or her past or started new present there ....
Straight to the point ◉‿◉Not possible
According to the scientific theory of the 'Multiverse', you will probably arrive in a New Present. Your old life will remain in your memories, but the world around you will be completely new and the result of the changes you have made.
Awesome Intelligence ™
Depends on the laws of physics our universe follows. It might effect out current time OR it might just create an alternate reality where the new decision you made is the truth.
But sci-fi movies have taught us multiple times why changing the past is a bad idea so let's not do that for now lol

Politician ( disappointment) ...I wouldn't place my trust on any politicians lol