The American ban on visas for Chad has been reciprocated. Scores of Americans in the mission field and further are having to leave the country. This is hampering the gospel and Civil society. It is an unforeseen consequence. One though that hinders work that has been underway for decades.
You may be interested in these active petitions
There will be an indirect impact on Civil society. As well as sharing the gospel many mission agencies are supporting local initiatives such as drilling wells, furthering literacy and providing other civic and societal infrastructure.