Explain the difference between Puerto Ricans moving to the
East Coast and Cubans and
Dominican immigrants coming to
America.

Puerto Ricans moving to the

East Coast is known as INTERNAL MIGRATION

Cubans and Dominican immigrants coming to America is known as EXTERNAL MIGRATION

Explanation:

Given that Puerto Rico is an unincorporated U.S. territory, and people from Puerto Rico are U.S citizens, who pay the U.S. federal taxes, hence, Puerto Ricans moving to the East Coast is known as INTERNAL MIGRATION, because they are part of the U.S.

While Cubans and Dominican immigrants coming to America are known as EXTERNAL MIGRATION because Cuba and Dominica are separate countries outside of the USA.

1) the andrew carniage's purchase and renovation of skibo castle have been very good and auspicious for the local people of dornoch firth, scotland because this is a turistic attraction for many people who would want to know the castle, the local people would take advantage about this.

2) yes, it could.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.