William Randolph Hearst and Joseph Pulitzer :)
Answer: 1.) Buddhism, Hinduism, then Christianity. 2.) Era of Warring States, Qin Dynasty, then Han Dynasty. 3.) Greek City-States, Roman Republic, then Roman Empire.
Explanation:
Im pretty sure one of the main reasons is because of the treaty system
They were won in the Mexican-American war, alongside Texas. Texas gained recognition as a state of the United States while California and New Mexico became new states to be added to the Union as a result of the secession from the Mexican country. They were a result of the US wanting to go westward.