A longitudinal study, a study that stretches over the span of a long time
        
             
        
        
        
There was 178 colonies found in the 1620s
        
             
        
        
        
Answer:
Franklin D. Roosevelt
Explanation:
FDR was the only president elected twice, mainly due to the extreme popularity of his New Deal during the Great Depression
 
        
             
        
        
        
Answer:
They went on the offensive
Explanation:
After the Battle of Stalingrad, the Red Army took the offensive and drove the invaders out of the Soviet Union entirely. 
 
        
             
        
        
        
The three techniques that a developer can use to invoke an anonymous block of code are 
-  Use the SOAP API to make a call to execute anonymous code.
 - Run code using the  Anonymous A pex feature of the Developer’s IDE
 - Type code into the Developer Console and execute it directly
 
Here SOAP is a messaging protocol specification for exchanging structured information in the implementation of web services in computer networks.
SOAP APIs take the advantages of making web based protocols  that are already operating the all operating systems that are why its developers can easily control web services and get responses without caring about language and platforms at all.
To know more about web services  click here
brainly.com/question/1511914
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