<u>Answer:</u>
The extensive and deep penetrating system of rivers inside the continent helped and facilitated the explorations in it.
<u>Explanation:</u>
The deep rooted river systems facilitated the exploration of many coastal regions which were deep inside North America as the European explorers usually travelled in ships. The Mississippi being one of the most important and extensive example of such rivers.
Columbus who is credited the most to the exploration of North America too was able to access it through the coasts and the central American river coasts starting with the Bahamas, Cuba and Hispaniola and spreading to Trinidad and Tobago.
Answer:
Option C, New York and Albany, is the right answer.
Explanation:
New York has remained one of the most significant cities in the history of the United States. The main reason of its significance is the fact that during the larger part of the 1850's and in the early phase of the 1900's, thousands of settlers came in the U.S. and lived in New York City. Settlers or immigrants did not come from a particular country or land but came from various countries such as Ireland, Germany, Italy, Eastern Europe, and China. They began living in the Lower East Side of Manhattan due to the very fact that the rent in the tenements was very low.
On the other side, Albany was the city which had the least number of people during the 1850's.
C - Lighting and filming technology