Becoming A World Power (8 ч 10 мин, 30 авг 1872 г. – 15 ч 39 мин, 22 июл 1917 г.)
Описание:
 taking hold of foreign countries by using military. Many people helped push this by writing their opinions or putting the blame on the foreign countries they want to take hold of. (Spanish and Filipino- American wars, Alfred T. Mahan, Senator Albert Beveridge, Yellow Journalism) 
Добавлено на ленту времени:
Дата:
8 ч 10 мин, 30 авг 1872 г.
15 ч 39 мин, 22 июл 1917 г.
 ~ 44 years