Does "Unmarked vehicles are used primarily for sting operations or apprehending criminals without alerting them to their presence." contain the correct answer to "When do police often use unmarked cars?"

A: yes

Does "The spiritual revolution that took place, saw a waning of the old Greek religion, whose decline beginning in the 3rd century BC continued with the introduction of new religious movements from the East." contain the correct answer to "What group was significant in the expansion of the Christian faith ?"

A: no

Does "In the early years of the period, the Second Boer War in South Africa split the country into anti- and pro-war factions." contain the correct answer to "What is the Edwardian era?"

A:
no