Its flat land in other words it easier to grow crops
Based on the options provided, the most probable answer to this question is increase. The landmass that was controlled by Europe from 1800 to 1900s increased.
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Environmental protection is the third pillar and to many, the primary concern of the future of humanity. It defines how we should study and protect ecosystems, air quality, integrity and sustainability of our resources and focusing on the elements that place stress on the environment