Why would call us allow different religious practices in the 1700s

Government has no more to do with the religious opinions of men than it has with the principles of mathematicsLet every man speak freely without fear, maintain the principles that he believes, worship according to his own faith, either one God, three Gods, no God, or twenty GodsLet government protect him in so doing." Baptist minister John Leland penned these famous words in 1776. They are reprinted in The Writings of John Leland (1969), edited by L. F. Greene. During his campaign for the presidency in 1800, Thomas Jefferson (1743–1826; served 1801–9) quoted Leland's words.
Religious freedom is a pillar of individual liberty in America. But while the pillar stood firm in early America, views of religious freedom slowly evolved in the 1600s and 1700s. When settlers first journeyed to the New World's eastern shores in the early 1600s, religious freedom meant freedom to establish a colony that followed specific religious principles. There was no religious freedom within the colony. All colonists worshipped in the church of the colony; if anyone refused to do so, he or she had to leave the colony.
hope this helps

So you know what happened and so it doesn’t repeat it’s self