Tamper
Approval, assent, acquiescence can all mean to give permission.
bare
Sabotage - to alter a plan or event.
It means: Please Turn Over at the bottom of a letter
Tamper
To alter without permission means to make changes to something without obtaining proper authorization or consent from the owner or relevant authority. This could involve modifying, adjusting, or editing content, materials, or objects without the explicit approval of the appropriate party.
Alter or amend
Let
The word beginning with the letter A that means to change, is alter. Alter can also mean to castrate, to spray, to make different, or to modify. You can alter, or change many things.
In this context, Leave means Permission.
Helping them without them knowing it.
Approval, assent, acquiescence can all mean to give permission.
it means to place taxes on us without our permission.
Only copy, alter, distribute, or perform/display works that are entirely your own original work, are in the public domain, or for which you have permission from the copyright holder or an exemption in the law.
Individual freedom means that someone is able to choose what they want to do without permission.
undermining someones athority Also means entry to anothers property without right or permission