Answer:
1. Some technologies that allowed more population are cars and some others things
2.
Dallas is one of the largest cities in Texas. It has a population of roughly 1.2 million people. Dallas is an economic center of Texas with many businesses. There are many museums, zoos, and parks in the city as well! San Antonio is a popular tourist city in Texas. This city is home to many famous attractions such as the Riverwalk, the Alamo, and Seaworld. The population is about 1.3 million.Phoenix is the capital of Arizona. Its population is almost 1.5 million. Many people visit here in the winter for the warm weather. It is also home to the Phoenix Zoo as well as several gardens.Albuquerque is the largest city in New Mexico with a population of just over 550,000 people. People come to this city for the recreational activities it offers like bike trails.
