Why did Congress recognize Tennessee before any other state that had seceded before the Civil War?

Because it ratified the Fourteenth Amendment, Tennessee was the only state that seceded from the Union that did not have a military governor during Reconstruction. This did not placate those unhappy with the Confederate defeat. Many white Tennesseans resisted efforts to expand suffrage and other civil rights to the freedmen.

Explanation:

geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to