Mekong river
Meykong
yes, these are lines that are intersecting at or forming right angles.
These countries are:VietnamKampuchea (Cambodia)LaosMyanmar (Burma)Thailand (Siam)PhilippinesIndonesiaMalaysiaSingaporeBrunei
Commonly referred to as "Australasia," it is often mistaken that the series of islands and islets forming Indonesia, and Papua New Guinea are a part the Australian continent. Thailand, however is clearly a part of Southeast Asia. Countries are including Brunei Darussalam, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, Vietnam. There is also East Timor that isn't under ASEAN yet.
The Chinese
The Chinese.
Yes, there are. Some are forming even now, just southeast of the Hawaiian chain.
If there was a forming of a North American Union, the countries that would be involved may extend to South America. The three countries this would implement would be USA, Canada and Mexico.
A perpendicular bisector crosses a given line at a 90 degree angle, forming a right angle with the line while dividing it exactly in half.
The Schengen Area consists of 26 countries. Some of the countries in the Schengen Area include Spain, Italy, and Germany.
By forming Islamic armies, conquering non-Islamic countries, and making them into Islamic countries. Simple.
Czech and Slovakia
The main problem between North and South Vietnam was the agreement between both parties that South Vietnam should have elections shortly after the forming of the country. No elections were ever held in South Vietnam, if they had been, the country would have been unified much earlier without the many thousands of deaths caused by the war.