On a map which shows us how far apart things are? As well how big or little the map is? A. Scale
B. legend
C. Compass rose
D. Title

On a map what shows us what different symbols, colors and lines mean?
A. Scale
B. legend
C. Compass rose
D. Title

1 is A, scale, and 2 is B, legend

Explanation:

The scale shows comparison, for example an inch may be 500 miles

The legend is a box which might show that a dotted line is a river on a map.

Hope this helps you.

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories