Which of these happened first, following the assassination of archduke franz ferdinand on june 28, 1914? a) france invaded belgium. eliminate b) germany declared war on russia. c) austria-hungary declared war on serbia. d) russia mobilized its forces for a possible war.

C.

Explanation:

It was his home country. A month after the assassination of the heir to the Austrian throne, Austria-Hungary declared war on Serbia. This action followed a series of ultimatums between not only those two countries but others as well. Austria-Hungary and Germany both had secret agreements to come to each others' aid, and Britain, France, and Russia had similar understandings. These series of secret agreements unnecessarily enlarged the scope and horror of World War I.

it was a act of seld fesnse more over it was a peace treaty between the fogein contunries.

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)