What country, an ideal of the "Illyrian Movement" began to become a reality after the 1918 collapse of Habsburg Austria-Hungary at the end of World War I, and was formally renamed as a "Kingdom" in 1929?
The answer is - Yugoslavia
World War I was triggered as a full-blown war when the United Kingdom declared war on Germany on 4 August 1914, when Germany invaded which country?
What was the only South American country to send troops to fight in World War II after declaring war on Germany and Italy on 22 August 1942?