Answer:
i believe its rocky soil and lack of water
Explanation:
You might think it too high to say 90% ... but it really was 90% of funding for the Interstate Highway system that was provided by Congressional funding. This was a huge program signed into law during the presidency of Dwight Eisenhower. It was considered essential to the national interest. The Federal-Aid Highway Act passed in 1956 allocated $26 billion (in 1956 dollars!) to this monumental road-building effort.
Theodore Judah was the person who convinced the railroad officials that it was possible to build a railroad line across line across the Sierra Nevada Mountains.He is also considered as the "Father of first Transcontinental Railroads.Judah had many opportunities that the people prior to him did not have.
Answer:
Because they whant changes
Explanation:
