Leaders are also known as "laid-back" leaders.

Laissez-faire leaders are otherwise referred to as "laid-back" leaders.  Laissez-faire leaders are called laid-back leaders because the leaders lay back and delegate leadership, thus leaving the group members to make decisions on their own. Studies have shown that this is in general, the Laissez-faire leadership style leads to the least productivity among group members.

There was westward expansion from 1900 onward in the American territory that started with Louisiana purchase.

Explanation:

Americans upheld the possibility of abroad extension in the late 1800's on the grounds that they needed to extend exchange and trade to Latin America, to spread majority rules system, to politically impact different nations, and grow so America has a more area.

These were the reasons why America wanted to expand it's territories and expansion of the country in the late eighteenth century more over the Louisiana purchase led to the expansion of the country. The U.S. expanded its territory largely through military conquest. Even purchases from other European powers, such as the Louisiana Purchase and Alaska.