1, Ukraine's agriculture (the breadbasket of eastern Europe) Putin needs to feed his people
2, Ukrainians are a Russian people being held against their will.
3, Ukrainians want the protections of NATO
4, Ukrainians like the freedoms and rising living standards enjoyed by western Europe, Poland, Latvia...
5, Russian pipeline costing Russian oil businessmen billions annually in transit fees to Ukraine
6, Putin is a nationalist Teddybear and wants the Republic to get back together again.
7, Putin fears west military bases are too close to Russian border therefore Ukraine must rejoin Russia
8, Russian people are restless with their economy in the toilet therefore he needs a Margaret Thatcher war moment
to unite his country and bring about control once again.