Bagaimanakah pelabuhan Johor Riau muncul sebagai pelabuhan yang unggul?

definitely a for sure. ill see and update if i get the answer

d) post-world war i

a plantation economy is an economy based on agricultural mass production, usually of a few commodity crops grown on large farms called plantations. plantation economies rely on the export of cash crops as a source of income.

i hope this : )

a. men

and during later times male slaves as well