Answer:
a i think would be correct. 
Explanation:
because it was ethicly wrong to them and back then slaverey wasnt seen as being an issue all that time ago
 
        
             
        
        
        
Answer:
Machines
Explanation:
Machines became widely used in farming, and consequently, farms required fewer workers. Large, technologically advanced farms replaced subsistence farms. The Industrial Revolution demonstrates an idea known as economies of scale. According to this principle, increased production of goods leads to increased efficiency.
 
        
             
        
        
        
Answer:
Railroads were built to transport products to markets. I think 
Explanation:
PLS help with my question 
 
        
             
        
        
        
The Arab-Israeli War of 1948 broke out when five Arab nations invaded territory in the former Palestinian mandate immediately following the announcement of the independence of the state of Israel on May 14, 1948.