Rivers allowing for productive agriculture were the key factor in the settling of cities. Mountain ranges kept cultures in separate areas, providing natural barriers to imperialist agendas. The rich, fertile soil of the Middle East led early civilizations to settle, domesticate plants and animals, and thrive.
Do not take word for word
The unsuccessful winter campaign in Russia exposed Napoleon's army to extreme cold and The French army's inability to master guerilla warfare led to its defeat in the Peninsula War.
That is, It looks fresh :D
Answer:
through practice. Practise makes perfect. Another factor that can help you improve your writing is using same key words and linking words. The difficult part must be the conference. You should connect your centences in a way that it makes sense