Article iv, section 1, of the constitution define the relationship between the state and federal governments by stating that:

a. each state has a separate and equal relationship with the federal government.
b. all states must accept the laws and records of other states as valid.
c. all states must return fugitives to the state in which they are accused of a crime.
d. the federal government will always be a republican form of government.

  B. All states must accept the laws and records of other states as valid.

Explanation:

  Section 1 said that when a state sanction a public act, record or judicial proceeding according to the manner in which Congress´s law prevented, these must be recognized by other states.

  This was made to unify the individual states and not destroying their power.

  There are very cases in which the United States Supreme Court ruled that the merits of a case in one state, must be recognized by the courts of other states.

  I hope this answer helps you.

- "made the south's economy grow rapidly and a small effect that a lot of people don't know is that it made the more demand of slaves and cotton products. and also new states formed due to plantations growing in size."

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cultural/diplomatic relations. most medieval japanese   culture has chinese origins. writing, architecture etc.