This country has a flag that looks like this 
What is Japan?
The capital of India
New Delhi
An African country that was never colonized by Europeans (two answers are acceptable here)
What is Ethiopia? or What is Liberia?
The country where gyros and feta cheese are from
What is Greece?
The language spoken by the most people worldwide
What is English?
(Mandarin Chinese wins by native speakers but not total speakers)
The most common color on world flags
What is red?
The longest border in the world
What is the border between the United States and Canada?
The country the Persian Empire came from
What is Iran?
The country where phở is from
What is Vietnam?
The official language of Brazil
What is Portuguese?
The three countries that have similar flags because they were all part of Gran Colombia
What are Colombia Venezuela and Ecuador?
The tallest mountain range in Europe
What are the Caucasus mountains?
(Alps acceptable but technically incorrect)
The year India gained independence
What is 1947?
The main ingredient borscht, which gives its distinctive color
What are beets?
The six languages of the United Nations (you only need to get 4 to get credit)
What are Chinese, English, French, Spanish, Arabic and Russian?
The three colors common on many African flags, because of the answer to Historical Events for 100
What are yellow, green and red? (black is acceptable)
The capital of the smallest country in the world
What is Vatican City?
The city where Archduke Franz Ferdinand was shot, sparking World War I
What is Sarajevo?
The national dish of Tunisia
What is couscous?
The approximate number of languages that exist today in the thousands
What is 7000?
This country has a flag that looks like this
What is the Seychelles?
The country where the island of Zanzibar is located
What is Tanzania?
The country where Catholics were defenestrated in 1618 (that means thrown out of a window), leading to the Thirty Years' War
The country that produces the most chocolate
What is Côte d'Ivoire? (Ivory Coast)
The most commonly spoken language in Papua New Guinea
What is Tok Pisin?