change|verb|to make different; to become different
movement|noun|the act of moving or a way of moving something or someone from one position to another; a group of people with the same ideas or beliefs who work together to achieve a goal 
picture|noun|something that shows what another thing looks like; an idea or representation of something as seen by the eye; a painting; what is made with a camera
problem|noun|a difficult question or situation with an unknown or unclear answer
security|noun|freedom from danger or harm; protection; measures necessary to protect a person or place (&ldquo;Security was increased in the city.&rdquo;)
spread|verb|to become longer or wider; to make or become widely known
