The answer is D hope i helped!
I'm pretty sure three of the causes were C, taxes, B, distance, and D, land. The colonists didn't like "taxation without representation" and also didn't like that a tiny island across the ocean was regulating their tea prices, among other things. I'm not entirely sure about D, but it is the one that makes the most sense.
1. <span>California was admitted as a free state
2. </span><span>Divided the Mexican cession in two—new Mexico and Utah
3. </span><span>Ended slave trade in Washington
4. </span><span>Fugitive slave act was passed
5.</span><span>Settled border dispute over Texas and New Mexico</span>