The "Truman Doctrine" was a U.S. policy aimed at containing the spread of which ideology during the Cold War?

The concept of "Imperialism" involves a policy of extending a country's power and influence through which means?

The "Mayflower Compact" is considered a precursor to the development of which democratic principle in the United States?

The term "Glasnost" and "Perestroika" are associated with the reforms initiated in which country during the 1980s?

The "Green Revolution" refers to the widespread adoption of new agricultural technologies primarily in which field?

The "Scientific Revolution" of the 16th and 17th centuries marked a shift from a geocentric to a heliocentric model of the universe. Who was a key figure in this shift?

The "Caste System" is a social hierarchy associated with which country's traditional society?

The "Suez Canal," a crucial waterway connecting the Mediterranean Sea to the Red Sea, is located in which region?

The "League of Nations" was established after World War I with the aim of promoting international cooperation. In which city was its headquarters located?

The concept of the "Three Estates," representing the social classes in pre-revolutionary France, consisted of which groups?