Why did the Zulu of Africa attack Dutch colonists?

Zulus, a migrant people from the north, also came to southern Africa during the 17th century, settling around the Tugela River region. In December 1878, Cetshwayo rejected the British demand that he disband his troops, and in January British forces invaded Zululand to suppress Cetshwayo.

Explanation: hope it helps ^w^

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.