Please help I need two out of the four answers Which Two factors contributed to the population boom in the High Middle Ages?

1. A warm period made it easier to grow crops.

2. The Roman Catholic Church made it easier for people to marry.

3. New farming tools and methods increased food production.

4. There were no major plagues or diseases during the Middle Ages.

Africa, 1914 which statement is the best conclusion for the information presented in the map? a) european colonization had a positive impact on african nations. b) african colonization the economic growth of all european nations involved. c) by the outbreak of world war i, most of the african continent was under english control. d) by the outbreak of world war i, most of the african continent was under european control.