It is impossible to build a drainage system on the outside of the Sao Francisco river as buildings are built on the outside of the foundation.
The Subarnarekha is developing a small drainage system.
The Amazon basin is the largest drainage basin in the world.
The Urugay drainage system includes the greater part of southeastern Brazil, Paraguay, southeastern Bolivia and northern Argentina
So i would suggest putting the Amazon as it is the most common known and largest. Remember to use geographical terms!
1,5,6. This is for the more economical developed nations. 3 might be but i highly doubt it because living in the US no one cares about the agricultural focus really. Industrialization just says USA when saying it. Greater access to healthcare not very true but thats one of the answers. Higer standard of living because we aren’t living out in the trees.
Lake Superior
Lake Michigan
Lake Huron
Lake Erie
Lake Ontario
aka, The Great Lakes