which continent has the least amount of christianity

Antarctica

what are major world languages

https://www.google.com/search?source=hp&ei=vqabXd2FLb_K0PEP6amtkAE&q=+major+world+languages&oq=+major+world+languages&gs_l=psy-ab.3..0l3j0i22i30l7.3411.3411..8751...0.0..0.140.140.0j1......0....2j1..gws-wiz.-BWrIvEX9QI&ved=0ahUKEwjd3M_ohIvlAhU_JTQIHelUCxIQ4dUDCAg&uact=5

which continents are predominantly English speaking

Your turn. What do you think? (Or do you?)

united states

The United States is a country, not a continent.

Study this map.

https://www.nationsonline.org/oneworld/continents_map.htm