Explanation:
Phòng trào đấu tranh đòi lật đổ chế độ Nga Hoàng của nhân dân Nga ngày càng được lan rộng
I think communication for one
maybe land ownership
not sure for another reason
Answer:
Focus on what you DONT know
Explanation
If you have notes hightlight the questions you have
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be "primary and secondary sources", since the historian uses secondary sources to give background information on the topic in question, and primary sources to make an original point that adds to the body of research. </span></span>