To display the send missionary screen, click on the "missionary" icon in the controls window. Doing this will display the send missionary screen, and also place the main map into religion map mode. When you mouse over a province, its information will be displayed on the send missionary screen. You can click the province to select it, which will cause the Cancel and Send buttons to be active. The send missionary screen displays the following information for the current province: For more information on the costs, chances, etc. of religious conversion, see the article on it.