The area was called the Louisiana Territory.

该地区被称为路易斯安那领区。

youdao

Including interest, America finally paid $23,213,568 for the Louisiana territory.

算上利息的话，美国为购买路易斯安那共花费了23，213，568美元。

youdao

The American purchase of the Louisiana territory was not accomplished without domestic opposition.

美国购买路易斯安那地区是伴随着国内的反对之声而完成的。

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Later,American explorers Lewis and Clark crossed the Louisiana territory to reach Oregon.

VOA: special.2009.02.19

When a large British force threatened New Orleans in 1815, he trounced them, helping to strengthen America's shaky grasp on the Louisiana territory and promote westward expansion.

ECONOMIST: American democracy