Answer:
Hello. You didn't show the answer options, but the Western Front was located in Belgium, France, Luxembourg and Germany.
Explanation:
The Western Front was a region of extreme importance for the first world war, because it was where the beginning of the fighting was established, because it was the first place of war. The Western Front was formed by Belgium, Luxenburg and comprised the West of Germany and the Northeast of France. This front was "inaugurated" after August 1914 when Germany invaded Luxembourg and followed the battle to Belgium, advancing to invade the Northeast of France and dominating all these regions.
 
        
             
        
        
        
The Democratic Party lost popularity and the 1952 election because of U.S. involvement in Korea. The heavy cost of the war in terms of money and American lives and the failure to win the war were partial reasons for the loss.
        
             
        
        
        
Some Americans thought that making California a part of the US would strengthen the security of the nation because there was going to be fewer war threats by adding more territory.
Explanation
They believed that it would protect them more from war threats because California provided a coastline to protect the country, which added more territory. Having the control of it, they could build a defense against other countries who would want to invade from the west side. 
In addition, California's natural resources such as silver, gold, and fertile soil were very important for the nation, which was in a growing process.