The city states started to rebell
<span>The Mexican government restricted immigration as part of a whole host of protectionist laws aimed at benefiting Mexicans. The belief was that by banning Texas settlers, Mexicans in Texas would be more economically prosperous and more Mexicans from elsewhere in the country would relocate to Texas.</span>
Before WWI America owed Europe a lot of money, but after WWI the situation changed and the former allies owed America more than US$ 10 Billion for the cost of armaments and food supplies.
After the WWI a decade of tremendous prosperity started. This economic boom was a consequence of the mass production industries increasing gross domestic products, productivity and income, so business sales increase, driving up profits.
