they thought if one country in an area fell to communism the countries surrounding the country would also fall to communism which lead to the red scare.
To establish their rule in africa imperialists needed superior fighting tools such as guns and ammunitions.
They however blended it with diplomacy and appeasement of local rulers to get protectionist treaties that would ratify their scamble and partition as outlined in the Berlin conference of 1881.
The Americans gained complete independence from Britain from the Treaty of Paris. The correct option among all the options that are given in the question is the last option or the fourth option. This treaty was signed in the year 1783. This treaty also ended the revolutionary war in America. I hope it helps you.
Driving at 55 miles per hour saves gas