Electric power
________ and petroleum- based fuels started to gain importance, but coal continued to be used as an energy source.
13th century
The mechanical clock, created in the ________, stopped being used only to control the monks 'daily prayers and became part of the essential accessories of individuals.
Industrial Revolution
The ________ occurred in a period in which the population was growing fastly;
18th
Because iron is a raw material, the output of English foundries increased at the turn of the ________ to the 19th century.
emergence of class society
The ________ did not solve the problems and tensions caused by social inequalities.
technological transformations
The ________ make possible the expansion of productive forces, the creation of alternative energy sources, and advances in various areas of knowledge.
Industrial development
________ established a system of competition in which companies strove to maximize their profits.
depletion of wood
The ________ in the English woods and the demand for new machinery explain the economic importance of iron in the period.
Industrial Revolution
At the beginning of the ________, coal was used as an energy source to melt iron, and allow the production of various machines.