In a number line, the numbers on the right hand side of zero are all positive numbers (1, 2, 3, 4, ...). On the left hand side of zero are all negative numbers (-1, -2, -3, -4, ...). The numbers in the coordinates of the number line are all real numbers. Thus, the answer is letter A.
Archduke Francis was the heir to the Austrian Hungarian throne, who got killed in Bosnia by a member of the black hand, because Serbia wasnt happy with Austria Hungary taking over Bosnia
1)Bring relative advanced knowledge/conception to China.
Consession or leased territory is the window to show Western civilization.
2)Break the self-block made by Qing Dynasty, collapsing natural economy and monarchy.
3)They harm China, waking Chinese up.
4)New science and technology are passed into China
Fighting until death and the survivor was free