What caused the popularity of older traditional churches to decline during the mid 1700

Its attendance and how people were becoming more of an antithesis than a traditional believer.

Explanation:

Church attendance between 1700 and 1740 was an estimated 75 to 80 ... Toward mid-century the country experienced its first major religious revival. ... the antithesis of evangelicalism made its appearance in the eighteenth century.

Churches in eighteenth-century America came in all sizes and shapes, from the plain, modest buildings in newly settled rural areas to elegant edifices in the prosperous cities on the eastern seaboard. Churches reflected the customs and traditions as well as the wealth and social status of the denominations that built them. Hence, a new Anglican Church in rural Goose Creek, South Carolina, was fitted out with an impressive wood-carved pulpit, while a fledgling Baptist Church in rural Virginia had only the bare essentials. German churches contained features unknown in English ones.

Explanation: