After the erie canal was constructed
a)
many people emigrated to the south.
b)
there was a significant recession in new york.
c)
both trade and the number of jobs in new york declined.
d)
new cities were built along the shores of the great lakes.

After the Erie Canal was constructed, new cities were built along the shores of the Great Lakes. The correct option in regards to the given question is option "D". The construction of the Erie Canal was started in the year 1817 and was completed by 1825. The construction of the Erie Lake is still considered as one of the greatest engineering marvel of the 19th century. After the construction of the Canal, people started to live near the canal as it had become a place with great opportunities. The canal was used for transporting various commodities as well as people.

The answer would be option a , b, and c.