Answer:
In the 19th century (before as well as after the Civil War),  railroads brought many changes to the United States of America. For  one thing, trade and commerce increased, with a complementary expansion of industry, especially in the North. For another,  settlement of the 'wild West' was made easier, as was increased  growth of areas already settled. For yet another, military operations became more sophisticated and generally more  power-packed: during the Civil War, Union and Confederate forces  could be quickly reinforced or moved to areas of special need due to the rapid transportation provided by railroads.
 
        
             
        
        
        
Answer:
Roosevelt set about to prepare the nation to accept expansion of federal power. ... In his 1933 inaugural address Roosevelt stated: "Our Constitution is so simple and practical that it is possible always to meet extraordinary needs by changes in emphasis and arrangement without loss of essential form.
Explanation:
 
        
             
        
        
        
Http://www.manythings.org/voa/history/16.html
this website may help you
        
             
        
        
        
Answer:
Correct answer is B.  nonprofit agencies that aid human interests and that are not attached to any government.
Explanation:
Option A is not correct, because this are unlawful groups, whose goal is to gain benefit through crime.
Option B is correct as NGOs are not attached to governments and are non-profit organizations, with an aim to help people in different areas.
Option C is also not correct as militia groups are also unlawful groups.
Option D is not correct as refuges and asylees seeker are people in need that have been protected by certain state.
 
        
                    
             
        
        
        
A - Greeks wrote the most complete history of the early Olympics.
None of the other answers apply in this case. I'ts not true of course that Greeks had no interest in the study of their own history, nor are they only famous because the Egyptians recorded their whole history. They did howevre, write a history of their own olympics and how they were performed.