The Norman conquest of England

a. Had little real effect because it was only a change of rulers
b. Led tot he Investiture crisis
c. Led to the rise of universities
d. Ultimately remade England by making it feudal under French-speaking kings

Option: d. Ultimately remade England by making it feudal under French-speaking kings

Explanation:

The Battle of Hastings in 1066 AD led to the Norman Conquest over England. William the Conqueror, after winning the battle of Hastings became the first Norman king in England. William introduces Norman administrators (French-speaking), who helped to make England the most powerful in Europe. He also influenced in bringing the English language in England. He ruled England until his death in 1087.                                                                                                                                                            

d. ultimately remade england by making it feudal under french-speaking kings

Explanation:

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)