Here is a list of ten reasons:

1. They are a sovereign country and Ukraine is their homeland.
2. Russia has recognized them as a sovereign country
3. Russia has killed their children and raped their women
4. Ukraine enjoys being a free nation
5. Ukraine doesn’t want to live under the thumb of Russia
6. Russia starved many of their grandparents and great grandparents to death
7. They don’t want Putin as their leader
8. They don’t want to be a part of helping Russia invade other nations
9. They are winning the war
10. They realize that Russia is a weak nation and have no legitimate reason to surrender.

Add yours.