Some of the (75) countires on the US indefinetly suspended immigrant visa processing list.

Antigua and Barbuda
Bahamas
Barbados
Belarus
Belize
Brazil
Cameroon
Cape Verde
Colombia
Côte d’Ivoire
Cuba
Democratic Republic of the Congo
Dominica
Egypt
Eritrea
Ethiopia
Fiji
The Gambia
Ghana
Grenada
Guinea
Haiti
Jamaica
Liberia
Libya
Morocco
Nigeria
Republic of the Congo
Rwanda
St Kitts and Nevis
St Lucia
St Vincent and the Grenadines
Senegal
Sierra Leone
Somalia
South Sudan
Sudan
Tanzania
Togo
Tunisia
Uganda