Why did the British participate in the Crimean War?

They wanted to establish a colony on the Crimean Peninsula.
They did not want the Russians to control the Black Sea.
They were the allies of the Russians.
They wanted to impress the Sardinians.

They did not want the Russians to control the Black Sea.

Explanation:

The Crimean War (1853-1856) was triggered by the pressure and demands of Russia on Turkey. The intended Russian control of large areas and in the Black Sea were a treat to British commercial and political interests in the Middle East. France had some disputes with Russia and the war was a good pretext to cultivate an alliance with Britain.

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

du boi was considered a radical because he wanted the immediate end for segregation. the biggest different between him and booker t. washington is that, even though washington believed that segregation should be considered illegal, he did not believe at all that a law was needed to keep blacks away from whites and that this would be something natural (to have the races apart) for a long time until society adjusted, while du boi believe that agitation was the only way to end segregation.