<u>The Fossil Record</u>
They are useful in dating geological material, because they indicate which species were alive at the time the rock was formed. The geographic distribution of fossils is also useful in understanding how different species spread and evolved over time.
Answer:
The social pressures that contributed to English colonization of north America had to do with religious, politics and economics matters. Bearing in mind that religion was the main factor contributing to the English migration, the Puritans fled to America from England to gain their religious freedom.
The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.
The answer is really self explanatory. Rationing food allowed them to get through out the war without having to worry about the amount of food supply they had.
