1. malaria 2. rivers had terrible waterfalls..too dangerous...until the steam engine was invented it was incredibly dangerous 3. deserts....they didn't know how to travel through the deserts and find an oasis which made it very difficult to travel through
I’m not sure how many they gained but i do know that they had 53 seats after the 2010 census
Answer:
150 years ago, the construction of the First Transcontinental Railway was completed in the United States. The implementation of the project has become one of the most ambitious scientific and technological achievements of the United States in the 19th century and has led to a revival of the national economy. However, the construction was mainly carried out in territories captured from the Indians. According to historians, the highway has greatly accelerated the process of extermination and enslavement of the indigenous people of North America, and also contributed to the destruction of natural diversity on the continent.
Explanation:
Herbert Clark Hoover was the 31st president of the United States through the years 1929 - 1933.
Answer:
Chloroplast
Explanation:
Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. It is like a solar panel that changes sunlight energy into electric energy.