Some of the effects include different culture being introduced to the nation
Also it may teach some people to either be racist / prejudice or kind and accepting
The growing diversity can bring division and could also bring union depending on how current citizens act towards them
A severe water crisis looms over India. ... A shortage of water will not only deprive millions of their means of earning a living but also it will result in severe foodgrain shortages, which would in turn trigger spikes in food prices, and also deepen India's problems of hunger and malnutrition.
checks and balances or maybe veto? I don't truly understand your question, sorry.
It was a oil-exporting nation and it lost too much of an important resource, thus crippling the economy.