Blackshirts were the fascist military wing under the leadership of , while the Bolsheviks were a communist group led by .

The correct answers are:

- Benito Mussolini;

The so called Blackshirts were originally a paramilitary wing of the Nationalist Fascist Party in Italy, and they were serving Benito Mussolini. After the year of 1923, they became an all-volunteer militia in the Kingdom of Italy.

- Vladimir Lenin;

The Bolsheviks were a wing of the Russian Social-Democratic Worker's Party, and they were led by Vladimir Lenin in an attempt to gain control over the country, and indeed they succeeded in their goal.

Explanation:

- Benito Mussolini ;and - Vladimir Lenin;

the process of industrialization is called a revolution because

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69