The most useful is documentary evidence. Things people have written. Old newspapers, personal accounts, even things like letters, bank records, govt. records, etc. For fairly recent history there are photographs and even films and videos.
But even writing only goes back about 6000 years. Before that there is archaeological evidence. From studying the debris of ancient civilizations historians can determine what their buildings looked like, what they ate, who they traded with, what they thought was
Answer:
Tho is a traditional and national dress for men in <em>Bhutan</em>. It was introduced in the 17th century by <em>Ngawang</em><em> </em><em>Namgyal</em>. It is a knee length robe tied at the waist by a cloth known as <em>Ke</em><em>ra</em><em> </em><em>.</em>
<h3>Hope it helps! </h3><h3><em>Please</em><em> </em><em>mark me as the brainliest</em><em>!</em><em>!</em><em>!</em></h3>
<em>Thanks</em><em> </em>
1. Cars are a much more popular type of transportation.
2. There is a lot more cultural mixing.
3. Urban poverty is much more visible then rural poverty.
The correct answer is D, because "their" signifie that they are having "their" conversation, and that they own the conversation. C is incorrect because "there" describes where, B is incorrect because "they" describe who, and A is incorrect because "they are" doesn't grammatically or sensibly fit in, so the answer is D.
