Is "old letters" primary or secondary source?

Write the title date and stated purpose of the map you have chosen to describe what you learn from your careful review of the maps information. picture above

By july of 1950 north korean forces had pushed south korean forces as far south as

Enlightenment thinkers most contributed to the development of whichpolitical idea? a. religious leaders should play the largest role in establishing asociety's laws.b. democratic governments have the responsibility to protect humanrights.c. criminals must be punished harshly if a society is to maintainorder.d. written constitutions place unnecessary restrictions ongovernments' powers.