I would go with 'Major sandstorms destroyed the crops' because the Indus Valley civilization most likely declined by something affecting the food.
Hello!
The following countries were behind the Iron Curtain:
• East Germany
• Czechoslovakia
• Polland
• Hungary
• Romania
• Albania
• Yugoslavia
• Bulgaria
A. Cambodian genocide - When the Khmer Rouge took over the Cambodian government in 1975, millions of people were sent off to labor camps where they were abused and starved.
B. Armenian genocide - the mass killing of Christian Armenians in the Ottoman Empire took place from Spring of 1915 to Autumn of 1916. Out of 1.5 million Christian Armenians living in the Ottoman Empire, as many as 1.2 million died during the genocide. The Armenians were deported to the deserts of the southern Empire. On the way, many died of starvation, dehydration and diseases.
The Mexican government encouraged Americans to settle in Texas to prevent border violations form horse thieves and to protect the territory from Native American attacks. ... The population of Texas drastically changed between the years 1820 and 1835
