Some of the pull factor codes were things like the Homestead acts which were a series of acts on land allocation. For example, if you went westwards, the country would give you a huge piece of land which would become fully yours after five years of successful agricultural business.
League of Nations.
It fell apart because it failed to stop WWII (partially because the US didn't join it), and after WWII, the United Nations was created.
Answer:The compare-and-contrast form allows the writer to explain how urban sprawl can be increased in her city.
The scale does. When you know the scale it is easy to calculate the real distance. If the scale is 1 : 1000, that means that 1cm on the map is equal to 1000cm in real life.
