How did islam change the way the ghazu worked?

Which of the following was an economic reason for the united states to declare war on spain in 1898?

Hurry ! between 1900 and 2010, how did the world’s population change? a. it increased from about 1.5 billion to almost 7 billion. b. it decreased from about 7 billion to about 1 billion. c. it increased from about 5 billion to about 7 billion. d. it decreased from about 7 billion to about 1.5 billion.

Which choice best describes how your answer compares to the sample