Portuguese language in Africa as a second language, in countries like Angola and Mozambique, where Portuguese is an official language, but also in countries like South Africa and Senegal, thanks to migrants coming from Portuguese speaking countries. Some statistics claim that there are over 30 million Portuguese speakers in the continent. Like French and English, Portuguese has become a post-colonial language in Africa and one of the working languages of the African Union (AU) and the Southern African Development Community (SADC). Portuguese co-exists in Guinea-Bissau, Cape Verde, and São Tomé and Principe with Portuguese-based creoles (Upper Guinea and Gulf of Guinea Creoles), and in
Portuguese Army of the first measures of the new republican regime was to implement a military reform that aimed to transform the Portuguese Army into a militia type army, modeled after the Swiss Army. Portugal participated in World War I on the side of the Allies. The Portuguese Army would engaged in combat against the Germans in the European Western Front, in the South-West Africa and in the East Africa campaigns. The conflict between Portugal and Germany started well before the formal declaration of war between the two countries when several military clashes between Portuguese and German troops occurred in the borders