For much of the history of missions, there has been little return on investment in terms of number of conversions, in spite of earnest efforts on the part of Christians. In the 20th century, world receptivity to the gospel changed and more and more people began coming to Christ. This raises the question of how local churches in America can connect to the growing global church and support global evangelism, especially in light of the decline in the American church.
0.5
0.75
1.0
1.25
1.5
1.75
2.0
2.25
2.5