What sparked the 1857 uprising?
A Corruption in the British courts and police
B Attempts to convert the sepoys to Islam
C Commanding the sepoys to use cartridges lubricated
with beef and pork fat
D All of the above

Well, I think the best answer will be is C. Commanding the sepoys to use cartridges lubricated with beef and pork fat. Because, The immediate cause was the introduction of cartridges lubricated with the fat of cows and pigs, a practice offensive to Hindus and Muslims.

Good Luck!

just finished this it is b. centrifugal force

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years