Who conquered england in 1066, the only time a foreign army has ever conquered britain in the last 1000 years

willliam of Normandy

Explanation:

developed and developing countriescountries are divided into two major categories by the united nations, which are developed countries and developing countries. the classification of countries is based on the economic status such as gdp, gnp, per capita income, industrialization, the standard of living, etc. developed countries refers to the soverign state, whose economy has highly progressed and possesses great technological infrastructure, as compared to other nations.

the rub-al-khali is also known as the arabian desert and the "empty quarter"