The property rights component assesses the extent to which a country’s legal framework allows individuals to freely accumulate private property, secured by clear laws that are enforced effectively by the government. Relying on a mix of survey data and independent assessments, it provides a quantifiable measure of the degree to which a country’s laws protect private property rights and the extent to which those laws are respected. It also assesses the likelihood that private property will be expropriated by the state.
The answer is commerce, trade, and industrial production.
The Wilmot Proviso prevented new states from becoming slave states, the compromise enabled them to become slave states if popular sovereignty wanted them to be. California was allowed to become a new, non-slave state, and in return Slavery was enabled and allowed in the south, strengthening fugitive laws even more. To everyone it seemed like a victory for a while.
The United States Constitution