What sort of faith did Americans place in the increased number of inventions in their lives around 1900?

The years between the election to the presidency of James Monroe in 1816 and of John Quincy Adams in 1824 have long been known in American history as the Era of Good Feelings. The phrase was conceived by a Boston editor during Monroe’s visit to New England early in his first term. That a representative of the heartland of Federalism could speak in such positive terms of the visit by a Southern president whose decisive election had marked not only a sweeping Republican victory but also the demise of the national Federalist Party was dramatic testimony that former foes were inclined to put aside the sectional and political differences of the past.

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answer; i believe the two groups were irish immigrants and chinese immigrants;