18. in south africa's first elections open to voters of all races, which leader was elected president?

The answer is Nelson Mandela

Explanation:

The new National Assembly's first act was to elect Nelson Mandela as President, making him the country's first black chief executive

soviet influence spread across eastern europe sharply during and after wwii. the soviet armies liberated the countries in eastern europe and occupied them from the germans as they were forced to retreat towards germany.