question:
The most-commonly accepted theory is that these events were triggered by the onset of an ice age, in the Hirnantian faunal stage that ended the long, stable greenhouse conditions typical of the Ordovician.
Oxygen from what kind of fossil were used to date the Hirnantian faunal stage?

answer: no

question:
Finally in 1869 the growth had to be checked by magisterial control and new licensing laws were introduced.
In what year were additional licensing laws introduced for beer houses?

answer: yes

question:
With the creation of a transportation and communication infrastructure, the corporation became the dominant form of business organization and a managerial revolution transformed business operations.
What transformed business organization in 1890?

answer: yes

question:
The Reconquista, a related movement, worked to reconquer Iberia for Christendom.
What was the name of another activity like the Crusades occuring on the Iberian peninsula?

answer:
yes