Kidney infection (pyelonephritis) is a type of urinary tract infection (UTI) that generally begins in your urethra or bladder and travels to one or both of your kidneys. A kidney infection requires prompt medical attention.
Trajan is one of Romeâs most outstanding emperors. Under his rule, the empire reached its largest extent. He was remembered as a successful soldier-emperor who presided over the greatest military expansion in Roman history, leading the empire to attain its maximum territorial extent by the time of his death.
Answers.comÂ® is making the world better one answer at a time. At the height of its power in the 1st and 2nd centuries AD, the Roman Empire consisted of some 2.2 million square miles (5.7 million sq. km).