1 The portion of the brain that maintains the bodyâs internal balance (homeostasis). 2  The hypothalamus is the link between the endocrine and nervous systems. 3  The hypothalamus produces releasing and inhibiting hormones, which stop and start the production of other hormones throughout the body.
In the mid-19th century the Industrial Revolution began to change Spain. The first railway in Spain was built in 1848 and by the 1860s railways had spread across Spain. Mining and the iron and steel industries in Spain grew in the late 19th century.
After 1940 1/3 of all investments in Mexico would be made by the state. This agreement between the bourgeoisie and the state was extremely effective and led to what many observers have called the Mexican Miracle. Between 1940 and 1960 production increased 320%, and between 1960 and 1980, 270%. This meant that the Mexican economy had grown an average of 6% per year between 1940 and 1980. It also meant that the economy had produced 870% more goods and services in 1980 than it had in 1940. Population at the same time had only grown 370% between 1940 and 1980. The structure of the economy also had changed.