The correct answer is A) coal deposits.
During the Late Carboniferous, Indiana lay close to the equator, making the climate humid and warm. Swamps and wetlands were prominent in much of the state. Dominant fossil plants from this time include lycopods, conifers, and seed ferns (extinct gymnosperms). Plant material accumulated in these areas of Indiana and eventually became the source of Indiana’s abundant coal deposits.
During this time, rivers drained the remnants of the Acadian mountain. Large amounts of sand stayed on the banks of the rivers. Scientists and archeologists working in the zone have found fossils of bryozoans, crinoids, gastropods, and brachiopods. There many carboniferous rocks in the southwestern territories of Indiana.
The significance was that Lincoln used it as a union victory, although it was a tie, to get the emancipation proclamation signed.
May be times of high productivity or
creativity.
The Red Cross was started on May 21, 1881, Washington, D.C.
<span>Poetic revolution of the English.
In the poetic revolution, William III of the parliament along with his wife spearheaded the campaign against the King because of this Catholic leanings. This broke down the centralised control of England over all its colonies and the colonies began to rebel. After these rebellions the British did not have any particular regulations for the colonies. This neglect made them form their own separate institutions and this is what paved way for the American Revoltuion later on.</span>