Answer:
Poor treatment of Native Americans
Explanation:
The United States government treatment towards the Native Americans during the Manifest Destiny was poor. The idea of Manifest Destiny was to let settlers spread across America. Design to remove or destroy the native population and their culture in America. Americans drove towards westward to get access to land across entire America. The removal of American Indians from their native homelands began under Manifest Destiny.
They allowed investors to take fewer risk.
Cumberland road and US Route40
The builiding of the first steam locomotive train.
Mark Antony allied himself with queen Cleopatra