20 ! how has the population in ghana changed from how it was thousands of years ago? it decreased because the ancient africans used up northern africa's resources. it decreased because less rainfall caused northern africa to become a desert. it increased because farming methods improved and irrigation was introduced. it increased because the diseases that killed early africans became treatable.

the answer is A. it increased due to the mass population that Africa had which would eventually rot away all the resources that Africa had left

could you give me the options ?

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: