Answer:
More developed countries (MDCs) are located mainly in North America (Anglo-America) and East and West Europe (additional: Japan & South Pacific).
Least developed countries (LDCs) are located mainly in Latin America, East and South Asia, Southeast Asia, Southwest Asia/North Africa, and pretty much the whole of frican Africa is considered one big LDC. Africa is pretty much a continent of LDCs.
The two most densely populated European nations are England, with 407 people per square kilometer, and The Netherlands, with 397<span> people per square kilometer.</span>
The urban middle class is the correct answer :) I hope this help, have a lovely day.