Answer:
These areas had the most resources.
Explanation:
When you are settled by rivers, you have the sources you need to grow crops, raise life such as cows, pig, chicken. Not only this but you also have a place to bath, collect drinking water, and wash clothing. Life thrives more on river sides rather than inland during these times as they did not have all the tech we do today.
More buildings and more space for humans to move around
<h3>There are various reasons for which a person likes traveling. Maybe you like to see new places and explore locations you have never seen before. Maybe you like looking at beautiful landscapes. Alternatively, perhaps you are interested in the culture and traditions a certain nation has. The latter is not as common as the first ones, but it is a legitimate reason to travel across the world. Some people are just curious to see what is like to live in another country. Some nations have a unique way of life, something that you do not see every day. Certain traditions have been kept for hundreds or thousands of years. Those are the ones you want to see. To witness such things, you must know which cultures hold them. Below you will find a list with ten destinations where tradition is put on a pedestal. You will have a lot to learn from the people you find there.</h3>
