It dose. But its not like western xtian stopped influencing Africa some time in the past. Today American xtian orgs spend a fortune lobbying African nations and supporting extream right wing politics.
Lets face it the western world has difficulty removing money from politics. Even in the richest nation in the world. So having money from that nation interfere with the politics of less wealthy nations. Well lets face it there is a reason those are the nations right wing xtians try to push their ideals. It works.