There were many problems with the king he fought with his own brother to get the crown.
Answer:
north please tell me if I am wrong
To explore the Louisiana territory.
and
To establish a route across the continent.
Answer:
C. The damage to all living things caused by insecticides
Explanation:
Late in the 1950s, Carson turned her attention to conservation problems, the ones that she believed were caused by synthetic pesticides. In 1962, she wrote a book about her findings titled "Silent Spring", which brought environmental concerns to the American limelight. Silent Spring was met with fierce opposition by chemical companies, but it still went on to spurr a reversal in national pesticide policy, which led to a nationwide ban on DDT and other pesticides. And it also inspired a grassroots environmental movement that led to the creation of the U.S. Environmental Protection Agency.
Developments were made in irrigation, crop raising and breeding, building and handicrafts. Trade and commerce also flourished, and the Silk Routes became an increasingly important part of economic and cultural life, whilst coinage from this time serves as an indication of the political structure of the Kushan Empire