Thomas Jefferson promoted the Embargo Act of 1807 as a means to... Punish France and Great Britain for interfering with American trade
promote dependence on foreign goods from France
O force Great Britain to declare war on the U. S.
O increase trade between Americans and Great Britain

The Embargo Act of 1807 was an attempt by President Thomas Jefferson and the U.S. Congress to prohibit American ships from trading in foreign ports. It was intended to punish Britain and France for interfering with American trade while the two major European powers were at war with each other.

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a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.