The european powers viewed this statement of policy at that time as

The correct answer is the European powers viewed this statement of policy at that time as unimportant.

Explanation:

In 1823, there was the Monroe doctrine policy in which the European countries had to respect the western hemisphere as the interest only of the united states and not interfere with America. But the European powers saw this policy as unimportant.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.