<span>Lewis and Clark mapped out/explored the Louisiana Territory, making it no longer untamable to citizen living in the easter part of the country.</span>
It was a victory for the American colonies, which gave them confidence continuing on with the American Revolution. Especially because it was unexpected. <span />
I believe it is shifting cultivation
2 and 5 are definitely answers, not sure about the other one.
Maaari mo bang ilagay ito sa ingles mangyaring?