This happens quite a lot in verbs e.g run to running. It is because you double the last consonant in a one-syllable noun for it to become a verb. (Keep in mind there are exceptions to this rule.)
Answer:
Explanation:
The world was observed as a stage by Shakespeare.
In February 1942, Roosevelt signed United States Executive Order 9066, requiring all Japanese Americans to submit themselves for internment. Propaganda made repeated use of the attack, because its effect was enormous and impossible to counter. "Remember Pearl Harbor!" became the watchwords of the war.