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."

could you use this to with a topic?

the key difference between a democracy and a republic lies in the limits placed on government by the law, which has implications for minority rights. both forms of government tend to use a representational system — i.e., citizens vote to elect politicians to represent their interests and form the government.

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."