The main difference is which part of Europe they came from, and the numbers of immigrants. There were many, many more "New Immigrants'" than old, 20 million people between 1880 - 1920. And the New Immigrants came mostly from southern and Eastern Europe, which meant they were almost all Catholics.
D. Haiku
Haiku poems are only 3 lines
Answer: planning complex cities.
Explanation:
The answer is - ''The Great Leap Forward''.
The Great Leap Forward was a program implemented by the Chinese communist party, with Mao Zedong in charge, and its goal was to make China a global superpower over time, instead of being a country in the shade of the others that is struggling on every level.
China was in a bad position economically, socially, its industry was not well developed, and also had social problems, and all of that contributed that a measure and plan is made as to how the country should and can progress and become a global political and economic player. Unfortunately for them, this measure was a big fail, and instead of making the country stronger, it actually made even more problems and put it in a worse position.