1. Russia cannot supply and support them.This may be heating up again.
"Kyiv will "firmly respond" to any attempts to involve the Russian-controlled Moldovan region of Transnistria in Russia's war against Ukraine and destabilize the situation in Moldova, the Foreign Ministry said amid increased Russian pressure on the Eastern European country.
Transnistria is internationally recognized as part of Moldova. Russian troops have occupied Transnistria since the early 1990s when Russia invaded the region under the pretext of protecting ethnic Russians.
Moldova has called Russia's military presence in Transnistria illegitimate and called for the withdrawal of Russian forces.
There have been heightened tensions between Moldova and Transnistria since the beginning of Russia's full-scale invasion of Ukraine when there were fears that armed conflict could erupt in Moldova."
https://news.yahoo.com/kyiv-says-fi...eWqMxCYhhcq0aWuge_aN8-fJqJplaVMUBsDc8_fglUyTF
2.Moldova is in the EU. They should send in some peacekeepers.