The answer is "Experimental research".
Experimental research refers to any research led with a scientific approach, where an arrangement of variables are kept steady while the other arrangement of factors are being estimated as the subject of test.
The most straightforward case of an experimental research is leading a laboratory test. For whatever length of time that examination is being directed under logically satisfactory conditions – it qualifies as a trial explore. A genuine experimental research is thought to be fruitful just when the scientist affirms that an adjustment in the dependent variable is exclusively because of the control of the independent variable.
None of the black men won the right to vote until after the civil war.
Explanation:
It was not until the end of civil war that black men were allowed to vote and the 15th amendment brought this to the fore.
After the death of Abraham Lincoln the new phase brought on by Andrew Johnson was very partial to the south where they were allowed to have black codes and so they did not give the black population their right to vote there
In the north, it was permissible for the black property owners to vote as soon as the war was over however.
Protecting their child from Bad minded people.2. they parents want to teach good habits which can be destroyed by bad minded group of people hope I get brainiest
Answer:
If Presidents were elected for life, we would not be the same. Everything would not change and we wouldn't get a chance to see something new. If its a bad president, bad things will keep happening. But, f it's a good president, good things will happen.
Explanation:
