Dinosaurs only lived in the mesozoic era. I hope I could help! :D
I believe the answer is <span>Austria declared war on Serbia.</span>
A is the answer to this question
Answer: Three executive departments.
Explanation: In 1789, Congress created three executive departments know as: Foreign Affairs (later renamed State), Treasury, and War.
<span>Minamoto Yoshitsune, led his clan to victory against the Taira near the village of Dan-no-ura.
</span>