The use of iron and steel is very much common in most of the infrastructure being built today. The new methods developed for the production of these essential metals have helped hasten and loosen the supply for the demand. By that, buildings have sufficient supply of these metals.
D.The new canals increased production cost.
How i know this:I took the test
B. liberals are more socialist nowadays, sadly. and from whats described seems to be socalism. big government taking care of the poor
Answer:
(B) Cheaper
Explanation: Books were written by hand, which made them rare and expensive. The invention of the printing press, using movable type, by Johannes Gutenberg in 1440 made books cheaper to produce, encouraging writing and the sharing of knowledge.