Answer:
The constitution of the United States is federal in structure.
Explanation:
The framers of the Constitution of the United States of America chose federalism system of government  for the country as they believed that the governmental power inevitably poses threats to the liberty of the individual. It Federalism was chose over unitary or confederate system of government so that to divide the power of the government to prevent it from abuse and put a restrain in the powers of the government in the center.
The framers wanted to divide the powers of the government into the regional government and the central government so as to limit the government power.
 
        
             
        
        
        
Answer:
Amusements Parks.
Explanation:
The pastime for working-class urban dwellers in the years 1870-1900 was the amusement parks. 
Brooklyn and Coney Island shoreline consisted  of several different amusement park, the people enjoined animal attractions, large stage productions designed to help them forget the struggles of theirs working day lives. 
 
        
             
        
        
        
Lack of political maturity & no executive power
        
             
        
        
        
Answer: Some innovations included
 
Explanation: A. Rise of the National Party Convention to Nominate Presidential Candidates
- More democratic method of Nominating Candidates
B. 2 Party System: Whigs & Democrats
C. New Forms of Politicking