The answer is A, just by reading the answer choices you can tell that b, is for a slide in a slide show.
B.Autonomous(the ethnic groups have had autonomy
Congressional acts and the Constitution
This is expressed as Moisture Content or Water Content
Most food items have a water content. Even seemingly 'solidified' foods such as a piece of bread or bun have a certain water content in them.
For vegetables and fruits, the water content as a percentage of the weight can be huge.
For example, fruits such as Watermelons contain 92% in every bite with just 6% sugar and 2% fiber by weight.
E) Ensuring driver safety
Without traffic laws, our roads would be complete chaos, no one would know when to turn and there would be many more accidents and car-accident related deaths.