well because of its many larger and navigable rivers, was able to grow and expand but still keep in touch with all of its land and people. Those rivers made communication and trade much easier than it would have been otherwise.
Also, Tibetan Plateau to its west served as kind of a wall, separating China from the western part of Eurasia. This helped China and other Far East countries to develop and keep their identities and avoid cultural influence from the Mid East and Europe.
because
Many landforms, such as mountains or rivers were uncrossable to early civilizations, so they stayed where they were, away from other groups
Some causes of cultural diffusion was when different people traded with each other and when they moved. It affected the early civilizations because they kept spreading ideas around the world and was constantly changing other ideas.
Vast Empires
Obviously not or we would not be referring to them as "early" civilisations.
how did geography affect the early arabs way of life
Because of its geography
Isolation from other early civilizations
because
Physical geography and fear of the unknown.
Mesopotamia was in an area that was harsh and unpredictable. There was floods
they were separate from all other cultures and developed a equine one themselves
it made food
Extermination and enslavement.
Many landforms, such as mountains or rivers were uncrossable to early civilizations, so they stayed where they were, away from other groups
they all died.... all of them.... :(
The region had desirable geography, good climate, and proximity to water