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.
The Europeans involved in the Age of Discovery were mainly from Britain, France, the Netherlands, Spain, and Portugal. During this period (1450-17th century), the European economic center shifted from the Islamic Mediterranean to Western Europe (Portugal, Spain, France, the Netherlands, and to some extent England).opulation growth provided the expanding labor force needed for industrialization. Another important outcome of Europe's commercial revolution was a foundation of wealth needed for the industrial revolution. Economic prosperity financed new forms of cultural expression during this period.