 
<translate> Quoc: Akara agha nke Naịjirịa nwere ọta ojii nke nwere akwa ọcha na-acha ọcha, na-anọchi anya nzute nke Osimiri Niger na Benue na Lokoja. Ọta ojii ahụ na-anọchi anya ala Naijiria nke na-eme nri, ebe ịnyịnya abụọ na-akwado ma ọ bụ ndị na-agba ịnyịnya n'akụkụ nke ọ bụla na-anọchi anya ùgwù. Ugo ahụ na-anọchi anya ike, ebe ahịrị ndị na-acha akwụkwọ ndụ akwụkwọ ndụ na ndị na-acha ọcha n'elu ọta ahụ na-anọchi anya ala na-eme nri.  Zaa ajụjụ a dabere n'akụkụ Akwụkwọ Nsọ a: ọta ojii dị na uwe agha Naijiria na-anọchi anya? HW Chung: OK, ụfọdụ echiche: <eng> Quoc: The coat of arms of Nigeria consists of a black shield with a wavy white pall, symbolizing the meeting of the Niger and Benue Rivers at Lokoja. The black shield represents Nigeria's fertile soil, while the two supporting horses or chargers on each side represent dignity. The eagle represents strength, while the green and white bands on the top of the shield represent the rich soil.

Answer this question based on the passage: black shield in nigerian coat of arm represent?
HW Chung: OK, some thoughts: 