C. It makes a clear claim and relates to vaccinations.
        
                    
             
        
        
        
Try one country at a time. 
First explain the countries healthy standards individually. 
Then compare and contrast the two countries together.
That should help you start off! 
Just keep sharing ideas and facts + blending in your own opinions on the matter.
Good luck! :D
        
             
        
        
        
Historical seeing as he's acting them out/writing them like a extremely well known, talented writer
        
                    
             
        
        
        
D) Verb: has been raining Mood: indicative
The entire verb phrase is "has been raining". "Has" and "been" are both helping verbs that create the present progressive tense. This tense is used to show something that is happening and has been happening for a period of time. The indicative mood is correct because the indicative mood indicates something that fact. Interrogative mood is question form. Conditional form is based on something else happening.
 
        
                    
             
        
        
        
Answer: He argued that observation and experimentation are the most important tools for understanding the natural world. ... It caused people to take a new, logical approach to scientific discovery based on experimentation and observation.