One reason that european countries were able to acquire and maintain control of overseas colonies in the 19th century was due to the fact that europeans
a.
had superior weapons and other military technology.
b.
outnumbered the people that they were conquering.
c.
promised to establish democratic governments.
d.
were openly welcomed by the people they were colonizing.

A). had superior weapons and other military technology

Explanation:

The oversea colonies were usually in isolation and western ideas and technology were not familiar to any native people, making them easy to overpower.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

the supreme court can hear any case it wishes as long as four justices agree to hear it.

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