Which of the following statements best describes environmental changes caused by westward railroad expansion? Western forests we
re cut down for lumber for railroad and bridge construction. Western factories were built in what had been wooded rural areas. Changes occurred only in the Western plains, where animal populations decreased. The railroad expansion caused no environmental changes in the West.
on march 17 1776 British forces are forced to evacuate Boston following general George Washington's successful placement of fortifications and cannons on Dorchester Heights which overlooks the city from the south.
