Sovereignty of God and Evangelism

“And this gospel of the kingdom shall be preached in all the world for a witness unto all nations; and then shall the end come.” Matthew 24:14 “[A]nd ye shall be witnesses unto me.” Acts 1:8 I was asked to write on the subject of “The Sovereignty of God and Evangelism.” What is the connection between the two? Does the one rule out the other? Can we speak of both, or do we need to choose one over the other? The enemies of Calvinism claim that the Protestant Reformed Churches cannot do missions...