By Thomas Jefferson creating the Embargo act did it set of the path for the 1812 War during Madison’s presidency?

No

Explanation:

The 1812 war was started from America invading Canada which at the time was ruled by Great Britain at the time.

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.