The correct answer is A. When California applied for statehood, the Southern states feared that they would lose equality in the Senate. Before the admission of California, Southern slavist states and Northern free states had the same number of Senators. But when California was admitted in 1850, it entered into the Union as a free state, so it created a power disbalance for the Southern states, giving to extra votes to the abolitionist states.
Texas had extended full legal rights to former slaves.
Explanation:
The 13th Amendment banned slavery and all involuntary servitude, except in the case of punishment for a crime. ... The 15th Amendment prohibited governments from denying U.S. citizens the right to vote based on race, color, or past servitude.
Privatise is transfer a business from public to private ownership and control.
Social insurance is a concept where the government intervenes in the insurance market to ensure that a group of individuals are insured or protected against the risk of any emergencies that lead to financial problems.