What were used in ancient china to predict the future?

  Oracle bones.

Explanation:

  They were called that way and used in the Shang Dynasty. The "oracle bones" were usually made from the shoulder blades of Oxen or the shell of a Tortoise. They were also used to write.

  Rulers made questions and the bones were heated with metal rods, that caused their surfaces to fracture. The diviner then interpreted the cracks which were believed to be messages from the dead.

  I hope this answer helps you.

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.