Continents were in different locations in the past and thus have moved (drifted) to their present location.
Wegener - Published controversal book on this theory in 1915.
Answer:
A. Alaska
Explanation:
On March 30, 1867, Secretary of State William H. Seward agreed to purchase Alaska.
Answer:
Roughly 40 percent of Americans lived in cities, and the number was climbing. These large city populations caused crime rates to rise, and disease to spread rapidly. As a result of unsanitary living conditions, diseases such as cholera, dysentery, and typhoid fever struck urban areas with increasing frequency.
D I'm not as sure about this question I'm just guessing
