D, communists hope this helps :)
The correct answer is option A) "Frederick II took Silesia". In the Austro-Prussian War or Seven Weeks' War, the leader of Prussia King Frederick the Great resulted victorious over Austria. This changed the map of Europe because the kingdom of Prussia gained control of extensive new lands in Silesia, including highly industrialized and densely populated areas.
After WWI and during the Great Depression the US tried to be an Isolationist nation. They put out tariffs so people would buy US (forgetting that the rest of the world was still devastated by WWI (economies included)).
Because Portugal became one of the most important allies of Spain. The prime minister of Portugal knwon as Salazar was supporting the army of Franco. Many dissidents of Portugal were protected in Spain and, even though the relations were a little bit tense, Portugal gave their full support giving aircraft as an aid to Franco in Spain. Salazar<span> reassured Franco and his allies that no interference would hinder the supply traffic directed to the Nationals. </span>