What was maria winkelmanns theory?

For in this unit, you read about transitions of power and the formation of newly independent nations in africa, asia, the americas, and the middle east. some of these transitions were peaceful, while others caused long-term instability. why do you think some countries were more successful than others with political transitions? what do you think were the biggest challenges facing newly independent countries? would it have been possible for leaders to prevent these problems before they happened? why or why not?

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

In 150-200 words, name three advancements made by the egyptians and tell how they impacted the culture.