Answer: Longitudinal research
Explanation:
Longitudinal research is the research study that is carried out by the researchers through observation technique. Information and sample are collected on the same project over a time period to observe any kind of change.
These researches can take huge amount of time such as may years to notice the alteration on the repeated observation.This study is carried out on the same individual or same group of individuals s the subject.
The correct answer is "prediction models". Political scientists have developed prediction models that help to clear doubts about the veracity of the presidential elections. This tool takes into account economic and sociological factors as well as public opinions to predict who is the winner in upcoming presidential elections.
The correct answer is C) it ended the Texas Revolution with a victory for Texas.
The painting below shows the Santa Anna surrender to Sam Houston after the battle of San Jacinto. The surrender is historically important because it ended the Texas Revolution with a victory for Texas.
This was a great moment in the history of Texas, after so much pain, suffering, and struggle to be free.
Although you forgot to include the painting in this question, doing some research we could find it, The painting shows the moment of the surrender under a big tree, and the Texan people surround the characters, witnessing that important moment.
On April 21, 1836, the Texan troops led by General Sam Houston defeated the Mexican troops led by General Antonio López de Santana.
A) A lot of competition between businesses.