 However, this call for unity was tempered with a call to resist Catholic missionary activity on Russian territory, and to "quickly and decisively react to threats" where necessary.
<clarity>  However, this call for unity was tempered with a call to resist Catholic missionary activity on Russian territory, and to "quickly and decisively react to threats" where necessary.
 However, this call for unity was tempered with a call to resist Catholic activity on Russian territory, and to "quickly and decisively react to threats" where necessary.