<span> C.Chinese communist leaders worked directly to serve rural peasants. Soviet leaders viewed themselves as guides for urban workers.</span>
Answer:
Alemanya has greater, advanced, stronger and many planes than Polania, they have greater and mechanised army than in Polania. They were also feared of their thousands of thanks and battle machines so they surrendered.
Since the 17th century Europe has changed in many ways.
Geographically: The Ottoman Empire has turned into a smaller country of Turkey, Germany was created from many small German states, and many new countries have formed.
Population: Since the 17th century, the population has grown a lot because the discovered industry since then and have many organizations to keep peace, like the EU.
Religion: Many countries are more secular because religion is not as important anymore. And they have more immigration because the are a place where people can live well and earn money, so people in places like Syria and Russia can move to Europe to live better, which means more immigration is happening.
I think the answer is b there you go
<span>Advanced mathematics was critical to the development of the Mayan calendar. The Maya needed a system of mathematics to record celestial movements over the years, to handle large numbers, and to calculate the solar and lunar year with great precision.</span>
