Hello,
You have a good start to your paper.
Keep the Introduction short generally only two paragraphs indicating: question/topic, brief background.
The second paragraph in an Introduction would give, your stance and why it is important to study this topic.
Is the pottery made on Koh Kret considered Ban Chiang style? If so please mention it in the first paragraph. Also you need to use an In -Text reference to indicate where you got the information.
Starting with the second paragraph you wrote, " Koh Kret....." onward goes into the Review of Literature section.
You need to add the sections Limitations telling what about pottery you are not going to research and a section Scope - telling what information about the pottery on Koh Kret you are going to cover.
Be sure you use In-Text references when ever you write something that is not your own original idea.
Happy writing,
Dr. Mc