Locus are a larger version of a grasshopper. When they breed they do it abundantly and they can cause serious crop damage when they fly in swarms. By the way this would be more of a science question. ;)
Your second question is a history one: I believe the answer is Nelson Mandela. He was the first democratic president of the Republic of South Africa. He was "sworn in" in 1994 at the age of 74 or 75 I believe.
Answer: The murder of Archduke Franz Ferdinand outraged Austria-Hungary. ... Austria-Hungary was furious and, with Germany's support, declared war on Serbia on July 28. Within days, Germany declared war on Russia—Serbia's ally—and invaded France via Belgium, which then caused Britain to declare war on Germany.
Answer:
Checks and balances system I'm pretty sure.
Explanation:
Self made steel tycoon and philanthropist, Andrew Carnegie was one of the wealthiest men in the 19th century, a business man who donated toward the new York public library. I assume that answers the question?.
The answer to this question is tribes