Incomplete question. Attached is the article under consideration.
<u>Explanation</u>:
1. <u>in the lamplight:</u>
this expression is used to create a mental picture of how the policemen's leather coats would have glistened when the lamplight was reflecting light rays on them.
2. <u>from a pyramid of tins:</u> the term "pyramid of tins" would have brought to mind a description of the size of the tins, just as how a natural pyramid looks magnificent.
He wanted to move them west of the Mississippi River to a designated Indian territory. Some tribes resisted his ideas and relocation policy while others went peacefully but still harboring anger and sadness in their heart.