please check this paragraph

The United States is one of the greatest country for immigrants to accomplish their goals. First, to live a better life. Immigrants come to US to give their children a better life than wouldn't be possible in their home countries. For instance, if people have better job, they will be able to admit their children in a better schoos or colleges. Next, economic security. In the US people over 50 years old get social security benefits, earnings, employment and pensions. Also under 21 years old people get free health insurance from the government. Finally, education. Many students choose to study in the US,because US has higher colleges and universities and the best part is many graduate programs give students opportunity for research, teaching and training. Moreover, some people come because they want to become rich in a short time. So they start a new business in the US and established very soon rather than their own countries. Eventually, United States is a great country for every immigrant to achieve their goals.