Before the panama canal people from East coast of America who wanted to go to Asia had to either sail around south America which took months or sail towards Asia and go around Africa which took even longer. The panama canal was a short cut right in the middle of central America which cut navigation time in half. Hope I helped. :)
they are selected when citizens of a nation vote for them to be elected, by popular demand of the people(democracy) i hope that helps
The famous person who was defeated seven times in his political career was Abraham Lincoln. He was defeated for the legislature in 1832 then defeated in run for the Illinois House Speaker in 1838. In 1843 he lost in nomination for Congress and again lost in his re-nomination to Congress in 1848. He was defeated for Senate when legislature in Illinois elects Lyman Trumbull in 1855. In 1856 he was lost in nomination for Vice-President and in 1858 he wins Senate’s popular vote but loses election to Stephen Douglas.