Many primary civilizations started in river valleys because for the cities in each civilization an important portion of the population existed in cities. Large-scale farming was a requirement to feed the large populations. Fertile due to flooding the land by rivers was home to lush plant life and an outstanding place to plant and grow crops. The close source of water permitted for irrigation for the large-scale farming as well as drinking and bathing. Water also intended animals and animals meant food so this was another advantage to settling in river valleys. Settling and living in river valleys later main to further development of civilizations and new patterns of living such as trade and communication by means of the river for transportation.
<span>Conflicts between villages encouraged the organization of military forces and development of government structure. Many districts fell under one powerful chief who overrode kinship networks and imposed their own authority. They grew weathly bye trading,</span>
<span>Pinckney's Treaty was a treaty that established intentions of friendship between the United States and Spain.
</span>
Best Answer choice is:
It granted the united state's access to both the Mississippi River and the port of New Orleans.
The treaty was signed in San Lorenzo de El Escorial on October 27, 1795, and established intentions of friendship between the United States and Spain.
Answer:
The Monroe Doctrine was successful in keeping the United states out of European affairs because after it was issued there was a decrease in foreign conflict for nearly 100 years until WWI.
Explanation:
