What percent of ukrainians think of themselves as russians? and does russia have an justification for taking the territory of another country or are russian actions in ukraine aggressive tactics to gain resources and territory?

What percent of Ukrainians think of themselves as Russians?

This we have to ask the people. Luckily, in 2001 there was a census and 17% of Ukrainians said they identify as Russians: this is the answer.

does Russia have an justification for taking the territory of another country?

This is a relative question. Russians would say that yes, they have citizens in this other country that they need to protect, but the international community sees is as a violation of independence of Ukraine and sees it as Russia trying to gain ressources and Territory

The answer is option a. boundary line drawn by pope alexander iv in 1493.

They had more africans americans than any other state