The Austria-Hungary government saw the assassination as a direct attack on the country.
They believed that the Serbians had helped the Bosnian terrorists in the attack.
When Serbia rejected the demands, Austria-Hungary declared war on Serbia.
The answer is c. Hopes this help :)
Answer:
I really don't know bc I'm really not that smart
C. Abraham Lincoln was the president who made it a priority to complete the transcontinental railroad.