Answer:
By looking at the map we can infer that A) Manufacturing was a key part of the economy in the Northeast.
Explanation:
Most of the technology was brought over from England and as people started to settle they started to work with cotton and manufacturing textiles. It is true that being close to a body of water made it easier not only to transport the goods but also the machinery needed. However, Illinois and Indiana have Lake Michigan as a primary body of water. We know that textiles were a big part of the economy since very early on and so were cotton fields, were they would extract the necessary material to them manufacture the textiles needed.
Coz it lies it the frigid area of the earth
Plate tectonics describes the movement of very large chunks of land underneath the ground. The continents have moved around due to the plates below us moving, which is caused by the internal flow of gasses and molten metal underneath us.
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The Mayan and other Mesoamerican cultures used a vigesimal number system based on base 20 (and, to some extent, base 5), probably originally developed from counting on fingers and toes. The numerals consisted of only three symbols: zero, represented as a shell shape; one, a dot; and five, a bar.