From the beginning, Christianity sought to convert unbelievers, not to slaughter them. In fact, Christians were martyred for centuries by pagans, then by Muslims. Only after about a millenium, when a certain church had enjoyed a state-endorsed monopoly for centuries, was there any movement to persecute unbelievers, whereas Islam from the very beginning, in its fundamental scriptures, preached violence against non-Muslims. Even the much-misunderstood Crusades were not a movement to “slaughter” Muslims, but to reopen the Holy Land to Christian pilgrims, who had been abused and killed by Muslims.
“Only after about a millennium, when a certain church had enjoyed a state-endorsed monopoly for centuries...”
Your being disingenuous here and distorting the truth. The Catholic Church didn’t have a monopoly that was state endorsed. The other Christian religions were offshoots from the Catholic faith.