The reason why Great Britain and France declared war on Germany at the beginning of the second World war was because A - The invasion of Poland.
When Germany invaded Poland this was the beginning of what would later be called the second World war. A tense atmosphere was brewing up in Europe for a few years since then already because when Hitler's party took charge of Germany, it increasingly militarized the country and was preparing it for war.
He proposed the Fugitive Slave Act in 1850, which was to send back runaway slaves from which who escaped from the southern states to the north. As this was a add onto the older laws this law punished officials who did not capture runaway slaves and bring them back to the southern states. In 1855 was found unconstitutional and was Nullified
Destroyed idols in Kaaba, rededicated Kaaba to Allah
It was Political upheaval