Which definition best matches the word Imperialism? A.When a country takes over a territory, nation, or country to increase its power
B.When a country negotiates new trade agreements with other countries
C.When a country manipulates other peoples to try and take over a territory

A

Explanation:

The definition of imperialism is the practice of a larger country or government growing stronger by taking over poorer or weaker countries that have important resources.

The statement that best describes the main reason Southerners supported the annexation of Texas would be that "(D) They wanted more territory and land where slavery had been established," since this was during the era when the issue of slavery was decided by "popular sovereignty" in each new state.