Which phrase from the preamble can best be explained by “they wanted to protect the freedoms now and for future generations to come?

"...and secure the Blessings of Liberty to ourselves and our Posterity, ..."

Explanation:

The United States Constitution's Preamble which often referred to as "We the people." It was signed during the constitutional convention in 1787 and fully ratified in 1788, explained amongst other things that "they wanted to protect the freedoms now and for future generations to come" by stating that "...and secure the Blessings of Liberty to ourselves and our Posterity, ..."

The full preamble goes thus: "We the People of the United States, to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defense, promote the general Welfare, AND SECURE THE BLESSINGS OF LIBERTY TO OURSELVES AND OUR POSTERITY, do ordain and establish this Constitution for the United States of America."

the process of industrialization is called a revolution because

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.