The activities that most demonstrated Americans' belief in Manifest Destiny occurred during the 19th century, while thousands of settlers moved west and displaced thousands of natives.
Establish and enforce laws
The economic doctrine that was typically used during the
post civil war era is the laissez-faire. The lasses-faire is a type of policy
of which people has the right to take action or do what they want to do such as
like the government and having to not interfere with what they want to do.