August 18, 1920 should be right.
They came on a boat from england
The highest point above sea level is an elevation. The difference between the highest and lowest point in an area is a relief.
This would be mostly Great Britain and France: you can see that many countries today still speak English and French in Africa.
Portugal also had some land under its control: Angola and Mozambique.
Now, I am unsure about the forth one, as there is a number of countries that had a colony, but were not as present as the ones I mentioned above. These are Belgium, Italy, Germany and Spain.
Answer: Many native Americans became ill from the new diseases Europeans introduced
Explanation: