Answer:1st Amendment, freedom of speech (though, religion, right, etc). Some acceptations are made if its dangerous for the union or sum I think but overall I believe that's the only reason.
It would be useful to be able to predict future populations to be prepared to care for the living. Studying population growth also helps scientists understand what causes changes in population sizes and growth rates. ... Finally, studying population growth gives scientists insight into how organisms interact with each other and with their environments. The population of a country or area grows or declines through the interaction of three demographic factors: fertility, mortality, and migration. To project future population, demographers make assumptions about how the current rates of births, deaths, and immigration and emigration will change in the future.
The answer is public and private assistance from the United States and other nations. The Green Revolution alludes to an arrangement of research and the improvement of innovation exchange activities happening between the 1930s and the late 1960s (with prequels in crafted by the agrarian geneticist Nazareno Strampelli in the 1930s), that expanded rural creation around the world, especially in the creating scene, starting most particularly in the late 1960s.
Committed are an essential part of the legislative process. Senate committees monitor on-going governmental operations, identities issues suitable for legislative review, gather and evaluate information.