They lived in small communities and survived by hunting and gathering. ... Aboriginal and Torres Strait Island communities only used the land for things that they needed - shelter, water, food, weapons. They never overused it or damaged it.
        
             
        
        
        
I think the answer is B. 
Because one of the factors that has prevented it from being a more unified country is its geography. It's rugged, mountainous. It's very difficult for any invading army to develop or control it.
        
             
        
        
        
<u>Answer:</u>
<em>b. Mitchell palmer
</em>
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<u>Explanation:</u>
The sequence of raids occuring were called the Palmer Raids. These raids were aimed at capturing the immigrants and deporting them out of the United States. Palmer, the Attorney General, was responsible to lead and carry on the raids.  World War I and Russian revolution resulted in fear and rejection for the immigrants in the US. This was named the Red Scare. This fear among the people of the US gave momentum to the Palmer raids. The immigrants and non-residents of the US were referred as aliens.  The US Labor Department was upset by these raids as this went against their authority to deport people.
 
        
             
        
        
        
Map making is the right answer...
        
                    
             
        
        
        
 The correct answer is C: the Mackenzie River!