This is called Gerrymandering.
its name comes from a politician Gerry who first prepared a gerrymandered map. It can regroup a district so that without changing the votes of the people one or the other party wins, for example if it distributes the democrats into many districts where they are a minority - their votes will "disappear", they will not have any representation, because they are a minority in each district, However, if all those votes are in the same district, they would be a majority in this district and have some representation<span />
Which following are you reffering to? Be more specific.
It was democracy i think i’m wrong
People have moved from their home countries for centuries, for all sorts of reasons. Some are drawn to new places by ‘pull ‘ factors, others find it difficult to remain where they are and migrate because of ‘push’ factors. These have contributed to the recent movement of people here but are also the reason why people from here have emigrated to other countries. <span>Over 80 million people in the world have Irish blood; 36.5 million US residents claimed Irish ancestry in 2007. Historically some were transported or sold into slavery or left because of poverty, hunger, persecution, discrimination, civil war, unemployment and, more recently, simply for education and better jobs. Migrant numbers have risen rapidly in the last decade. In 2013 there were thought to be over 230 million international migrants.</span>
The global conflict which was labeled world war 2