Boats and ships could easily reach them and they had access to fish and seafood to sell but mostly they could easily trade with other cities and civilizations

A river valley civilization is an agricultural nation or civilization situated beside and drawing sustenance from a river. A "civilization" means a society with large permanent settlements featuring urban development, social satisfaction, specialization of labor, centralized organization, and written or other formal means of communication. A river gives the inhabitants a reliable source of water for drinking and agriculture. Additional benefits include fishing, fertile soil due to annual flooding, and ease of transportation. The first great civilizations, such as those in Mesopotamia and Ancient Egypt, all grew up in river valleys. Tigris River flourished near Mesopotamia civilization and river nile flourished near civilization of Egypt.
<h2>ꜰᴏʟʟᴏᴡ ᴍᴇ❤</h2>
Answer:
<h3>The North Koreans justified their attack on the South by the desire of the Korean people to be independent and unified...</h3>
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The Industrial Revolution</h2>
Cause: They made prices cheaper
Effect: Now the middle class are able to get food, clothes and houses
Cause: Production work increased
Effect: More people could get jobs
Another effect: However, as more production work increased people had to do work every day with no break, if you were sick you had to work or else someone else would take the job from you.
Cause: There was no sanitation, they would butcher meat with rats in the room with them. There was no clean water, no soap, no things to clean places.
Effect: A lot of people would get sick and get diseases.
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