Border Conflict Quotes
Referring to America claiming Western land which had been held by Russia, England and Spain up to the 54°40' parallel. Polk's presidential campaign used this slogan, but there is no record that Polk ever did. However, he never disavowed the position dispite many opportunities to do so.
The problem persisted into the 21st century. Iraqi Kurds have constantly tried to carve out parts of Iran and Turkey with ethnic Kurds and form them into a Kurdish nation, separate and distinct from Turkey, Iraq and Iran. Some of the Kurds became fanatic terrorists to that end killing many in all three countries as well as fomenting civil war with other Kurdish factions in Iraq.