major changes in political structures, and social and economic life ( The Sui dynasty; The Tang dynasty;The Song dynasty)

Answer in complete sentences, and be sure to use correct English, spelling, and grammar. Sources must be cited in APA format. Your response should be four (4) double‐spaced pages;

What major changes in political structures, and social and economic life, occurred during each of the following? 

1. The Sui dynasty

2. The Tang dynasty 

3. The Song dynasty