What kind of power did tsars hold in russia

Aclaim about history is most likely not valid if it has which of these characteristics?

What is the term of the negotiated that recognized both british and american claims in the northwest? joint controljoint occupationjoint mandatejoint agreement

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.