What form of government controlled the eastern half of Europe after WWII?

What would a student most likely use if he or she wanted to consult a secondary source

Emma lives on a tight budget. she saves money and also makes intelligent choices when spending it. which statements describe emma's financial skills? select three options.emma is more prepared to meet her basic needs.emma is better prepared to avoid financial setbacks.emma is better able to avoid accumulating assets.emma is more prepared to face emergencies.emma is better able to avoid financial decision-making.

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.