A is the answer everything else are things that should not be done
Answer:
Federalism is a compromise meant to eliminate the disadvantages of both systems. In a federal system, power is shared by the national and state governments. The Constitution designates certain powers to be the domain of a central government, and others are specifically reserved to the state governments.
Explanation:
The have power to rule over what goes on so they reduce energy to the Federal System
Answer:
A. The height of a region in relation to sea level
Explanation:
Altitude is the height of a region in relation to sea level, the highest the altitude, the lower the atmospheric pressure, meaning that there will be fewer oxygen molecules and it may cause serious problems to our health. Although most humans live in regions relatively close to the sea level and can not be in regions of 4,900 ft altitudes for long without getting affected, there are certain human populations that have acquired the ability to live normally in high altitudes, such as in the case of people living in Tibet, Asia, people living in the Andes, South America, and those living in Ethiopia, Africa.
The most influential in opening the west was the transcontinental railroad. The transcontinental railroad opened up the west because it gave access to millions of citizens the opportunity to move to western states much quicker and cheaper than previous methods of transportation. Along with this, the railroads allowed for easier trading making it so that westerners could easily sell their goods to national markets.
