He was trying to combat the Great Depression with his New Deal programs.
The author's purpose (to me) is to showing the terror that the British were causing during and after the Boston Massacre. He/She was trying to connect you with the feelings of confusion and the feeling of control. (This is my opinion, it may not be correct but it is what I feel the author's point is.)
Getting enough food and supplies for the sodliers.
The first gold rush in Australia began in May 1851 after prospector Edward Hargraves claims to have discovered payable gold near Orange, at a site he called Ophir.